After black codes were stablished in the south, unemployed african americans a) could be arrested b) could take their pick of jobs c) often escaped to the north d) were returned to enslavement

the answer is a i think

Explanation:

but im pretty sure it is

whose power in the senate is equal to the power of the speaker of the house?

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.