President Harry S. Truman I believe it was.
It ended the period that was known as salutary neglect period. This was a period in which the British crown did not enforce its parliamentary decisions on the colonies, and in return the colonies were obedient. When the two acts were passed, the began getting enforced and people disliked this.
I believe the answer is D. Genghis Khan's successors claimed more land than he after his death. But don't hold me to it.
The first person to legalize christianity was constantine I