Jesus sole mission well dwelling here on earth was to sacrifice himself, and atoned for mankind sins, by shedding his blood and offering his body as a living sacrifice to bridge the gap between His Father and mankind. The method God uses was the cross.
The Apostle Paul in first Corinthians 1; 18;  For the word of the cross is foolishness to those who are perishing, but to us who are being saved it is he power of God. In Paul day the cross was a method of punishing the criminal such as, murder or insurrection. They were publicly displayed, and it the most shameful way to die.
In John Stott book The Cross of Christ He describes crucification in this manner,” Crucification was invented by barbarians on the edge of the known world and taken over from them by both Greek and Roman, it was probably the most. The most cruel method of execution ever practiced, For it deliberately delayed death until maximum torture and being inflected. The victim could suffer for days before dying. The method crucification is following; The prisoner would first be publicly humiliated by being stripped naked. He then laid on the back on the ground, while his hands either nailed or roped to the horizontal wooden beam and his feet to the vertical pole. The cross was hoisted to an upright position and dropped into a socket. Usually, a seat was provided to take some of the weights of the victim body and prevent it from being torn loose. But, then he will hang, helplessly exposed to intense physical pain publicly ridicule, daytime heat, and nighttime cold. The would torture would last several days.
The main cause of death by Roman crucifixion was resulting from asphyxiation. Asphyxiation results from lack of exchange of oxygen and carbon dioxide resulting from respiratory failure or disturbance, resulting in insufficient brain oxygen, which leads to unconsciousness and death. A Roman citizen was spare of this.”
According to Israelite and scripture some one who was executed by hanging from a tree was curse Deuteronomy 21:23 and Galatians 3:13. Yet, this was instrument God uses to break the curse and yoke of sins that separate us from God. Because God is holy and just and hate sin and He demands a sacrifice to atone for our sins.
Since the condemn went through the same physical suffering and torment Jesus went through. Why was Jesus suffering on the cross more intense than the condemn? And when He was praying the Garden of Gethsemane “Father, if You are willing, remove this cup from Me; yet not My will, but Yours be done.” He was in such agony He was sweating drops of blood, and an angel came from heaven to strength Him. What cause such mental anguish?
He was about to bear the sins of world, plus bear the cup of wrath from His Father, and He would bear it alone, and He would be separated from is Father whom He loved dearly while all the sins of mankind would fall upon Him. John Stott wrote these words,” In that case the cup in which He shrank was something different. It symbolized neither the physical pain, of being flogged and crucified, nor the mental distress of being despised and rejected even by his own people, but rather a spiritual agony bearing the sins of the world ——in other words, of enduring the divine judgment that those sins deserve.” Yet, this was His mission in life to bear ours sins, and God full wrath because of our sins. As scriptures states, Christ redeemed us from the curse of the law by becoming a curse for us, for it is written: “Cursed is everyone who is hung on a pole “ Someone said these words, “this not a fair exchanged.”
Despite His agony in the Garden of Gethsemane Christ went to the cross willing because it please His Father, and He needed to pay the price for ours sins so can bridge the gap between His Father and mankind this was His mission as scripture states,” God made him who had no sin to be sin for us, so that in him we might become the righteousness of God