Answer:
a) Leading thinkers in several states become more supportive of the idea of a stronger central government
Explanation:
It showed the weaknesses in the Articles of Confederation because the national government wasn't able to aid the people or keep rebellion from occuring
North Carolina’s railroad lines grew rapidly in 1860
Texas Revolution, also called War of Texas Independence, war fought from October 1835 to April 1836 between Mexico and Texas colonists that resulted in Texas's independence from Mexico and the founding of the Republic of Texas (1836–45).
3. The native americans, viewed themselves as part of the environment