Puritan migration to New England (1620–40) ... The Puritan migration to New England was marked in its effects in the two decades from 1620 to 1640, after which it declined sharply for a time.
That's Rationalization my friend.
Hope this helps :D
Defintion- a system of government that is centralized and dictatorial and requires complete subservience to the state.
The Nullification Crisis was a conflict between South Carolina and the federal government. South Carolina felt states had the right to nullify federal laws.
The answer is the last one.
Answer:
Mansa Musa developed cities like Timbuktu and Gao into important cultural centers. He also brought architects from the Middle East and across Africa to design new buildings for his cities. Mansa Musa turned the kingdom of Mali into a sophisticated center of learning in the Islamic world.