I don't know fully so I'll narrow it down to two answers.
B and D, I'm sorry for not giving the correct answer
It made it easier to transport goods and it caused the creation of nitroglycerin which made mining easier nitroglycerin is TNT
The middle ages begin with the fall of the western half of Roman Empire in 476
Answer:
The Southern Christian Leadership Conference (SCLC) is a civil rights organization founded in 1957, as an offshoot of the Montgomery Improvement Association (MIA), which successfully staged a 381-day boycott of the Montgomery Alabama's segregated bus system
Explanation:
