The answer is B due to how the Manifest Denstiny was the expansion of the U.S through American Continents.
<span>Private
organizations that are created to raise and distribute campaign money to
candidates for political office are called lobbies. Lobbying is an organized
group of people who work together to influence government decisions that relate
to a particular industry, issue, etc.</span>
D) The war did not change the governments.
The Korean War broke out in 1950 and lasted for roughly three years. North Korea established the Communist-aligned Democratic People's Republic of Korea while South Korea settled into liberal democracy (after alternating periods of autocracy and democracy). Both claims to be the true and sole government of the whole of Korea and believes the border to be temporary.
The one that caused serious conflict among various groups of the people in the west is : D. Mining
Back then, finding a land filled with valuable gold and metals is the fastest way to a rich and extravagant lives since back then the one who own the mine is the one who find it. But often time, the greed forced people to hurt each other for the sake of mining location's ownership
hope this helps