Should the United State sell arms (weapons) to other nations?

I really need help :):?

congress failed to remove johnson. but it did succeed in getting control of efforts to re-build the south following america's civil war. radical republicans wanted to punish the south for starting the war. they also wanted to be sure new governments in the southern states would support the republican party.

the answer for 3 is b and the answer for 4 is d

where are the answer choices