Answer:partof machines,types partof machines,types
partof machines,types
vpartof machines,types
vpartof machines,types
partof machines,types
partof machines,types
partof machines,types
vvpartof machines,types
partof machines,types
vvpartof machines,types
partof machines,types
partof machines,types
partof machines,types
vpartof machines,types
partof machines,types
Explanation:
Chinese ; it took them longest to get there
B. It was a challenge to decide how to divide forces and protect two coasts.