The correct answer is George B. McClellan - the correct answer is B.
He lost to Lincoln very dramatically: Lincoln got over 70% of the votes.
McClellan saw slavery as in agreement with the Constitution - and later agreed that slavery needs to be abolished , but he would have favoured a gradual abolition.
Vietnam was a French colony fighting for it's independence and the 2 Korean nations arose after WW2. Korea was originally one nation but controlled by Imperial Japan. The USSR took the north and the Allies the south after WW2. Korean War is still unresolved and Communist Vietnam (North) won and still rules.
Anti-slavery rallies and abolitionistic movements
Americans were the white settlers.
Answer: B. Minerals in the soil can eventually be used for plant growth and production.
The soil productivity is greatly influenced by the minerals that is abundant in a specific area. For an instance, the land with high concentration of limestone is more fertile because of its higher ph.