Why is an atomic bomb a fearsome weapon? Select four options.
It can destroy whole cities.
It creates mushroom-shaped clouds.
The energy it releases kills many people instantly.
It creates huge amounts of energy by splitting atoms.
The radiation from the explosion kills many people for years afterward.

all of the above but the last one is the most reasonable option

Explanation:

the radiation from an atom bomb incinerates the very bonds between atoms making after math deaths are slow and excruciatingly painful.

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.

by improved communication.