How many black presidents did we have?

Need on these last 2 questions on my social studies homework 5 and 6 then i’m done with the homework

During wwi, literacy tests were used to control immigration, which marked a return of what type of ideology in some americans?

Uuttuvu v uutc . cuyumlu 6. which has most weakened guatemala's economy? art 1 foreign debt built up in the 1980s ns evidence of continuing rights violations more than three decades of civil war extremely high levels of poverty