Answer:
a - the treaty that ended the us Mexican war
Explanation:
The Treaty of Guadalupe Hidalgo, signed on February 2, 1848, ended the Mexican-American War in favor of the United States. Mexico also gave up all claims to Texas and recognized the Rio Grande as America's southern boundary
George Washington did not want to accept the presidency that the people wanted to give him for fear of becoming a tyrant himself, just like King George II of England, from whom they just declared themselves independent from. When he became president, he made an example by only taking 2 terms and then refusing to continue being president. It wasn't until much later that a law was introduced to prevent any single president from serving more than 2 terms.
I would say rome since it was the beginning of the Republic before the punic wars began