For Question 3, your answer should be D.
Many European powers divided their territories based on resources instead of tribes, which caused tribes that were hostile with each other to be placed under the same rule. This led to conflicts between Native African tribes as they were natural enemies who fought for the same resources and land.
hope this helps
B) Radical Republicans thought Johnson was too harsh toward the South.
Johnson's refusal to support the legislation that had united the Republican majority in Congress proved fatal to his program, for it had driven the moderates into the Radical camp. ... By passing the Civil Rights Bill, the Republicans had shown their commitment to civil rights for blacks.
V=d/t
v is speed
d is distance
t is time
sentence 3 should be revised.