Who replaced mcclellan as commander of the union forces?

a. the ku klux klan

they were aganist african americans and did some bad things to them : ( hope this

explanation:

there are two statements that are incorrect.

1. the marshall plan was a lend lease program. it was an economic plan that europe redevelop itself after wwii.

2. einstein didn't really do anything to further the allied cause in building the bomb. he merely sent a letter to fdr telling him (in 1939) that if the united states entered the war, perhaps it would be wise to build the bomb before germany did. i would say this answer is incorrect, but when america entered the war 2 years later, fdr thought it might be a good idea to take einstein's advice.

the 4th choice is definitely so wrong that is likely the single answer of this question

urban people were mostly involved in jobs that required phyisical labor they are paid daily wages (minimum wages) from which they evoke their living. daily wages also mean that the day they don't turn up for work ,even due to sickness, they aren't paid anything.