What is the might guy meaning?

European expansion into africa left native regimes intact but had a strong impact on local societies what does this mean

Why did un coalition troops battle iraqi forces in 1991? iraq had invaded saudi arabia, along with its other border nations. iraq had invaded kuwait, which was a major source of the world's oil. the united nations wanted to remove saddam hussein from power. the united nations wanted to prevent the trade of illegal drugs.

Look at the graph. where p is price and q is quantity, what might cause a move from b to a?