I need this ASAP I will fail without it !!!

Why did the national colonization law make settlers negotiate with state governments?

a. Mexico’s government wanted fewer settlers to arrive in Texas and hoped the states would exclude them.

b. Mexico adopted a federal system of government that allowed states the power to set their own immigration policies.

c. Mexico adopted an authoritarian system of government and wanted to establish a tighter grip on the states.

d. Mexico’s government was collapsing and state governments needed to prepare for self-rule.