Another term for terracing is farming because of the flat areas created in rows on the side of mountains for farming. A. fertilizing
B. irrigating
C. plowing
D. step

D. step

Explanation:

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 name of the theory is landmass theory.