When did African Americans experience the revival of the second great awakening

pretty sure its the tlatoani

Explanation:

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.