I'm thinking between b and d

i will finish my assignment.
which sentence adds an adverb phrase?

i will finish my assignment in two hours.

i will finish my assignment soon.

i will finish my math assignment.

i will finish my assignment for math class.

One of the best ways to increase tolerance when communicating with those from other cultures is to practice empathy, which refers to

What is the central idea in this advice from branch rickey to jackie robinson?  

Armed with invisible ink, a cipher system, and a passion to end the war and preserve the union, elizabeth van lew became butler's eyes and ears in the confederate capital city. truth be told, however, she became much more than that. she became a spymaster, the person responsible for running a network of agents, couriers, and safe houses that was very active during the war. in addition to the spying, elizabeth van lew continued to maintain her church hill home as a safe house and something of a local union spy headquarters. —the dark game, paul janeczko what is the central idea of this passage? van lew’s home was used as a safe house, which was critical to the confederacy. van lew had a passion to end the war and preserve the union. van lew was a spymaster, a leading force in the espionage activities for the union. van lew did not enjoy working for general butler.