<em>Civil wars and foreign invasions showed that the empire had become too large to be ruled by one person.</em> :-)
Answer:
White Man's Burden
Explanation:
It is a term that refers to the idea that Western people had a duty to civilize so-called “inferior” or nonwhite cultures. It was used to justify the European imperialism during the late nineteenth century.
Because politics on the north had more impact power or influence on these states than south
Sam Houston was a great political figure. He got Texas independence on the day of the Battle of San Jacinto. He was Governor of both Tennessee and Texas. He was a U.S. Senator and a U.S. Congressmen. He was a frontiersmen, statesmen, great orator, and accomplished military man. He is one of the founding fathers of Texas and a great Indian Rights Supporter.
FYI: He started the saying “Remember the Alamo!.