Roe v Wade was a controversial case and still is today because it deals with abortion. People have very strong opinions both ways about it and whether or not a woman should be able to have one for whatever reason.
One important impact of the Mongol expansion across Asia and Europe was the "<span>(2) rise in trade along the Silk Roads" but it should be noted there were others as well.</span>
May I know of Who’s plan you are talking about so I can answer the question?
Some Americans thought that making California a part of the US would strengthen the security of the nation because there was going to be fewer war threats by adding more territory.
Explanation
They believed that it would protect them more from war threats because California provided a coastline to protect the country, which added more territory. Having the control of it, they could build a defense against other countries who would want to invade from the west side.
In addition, California's natural resources such as silver, gold, and fertile soil were very important for the nation, which was in a growing process.
The answer is C, the War of 1812 (the others occurred before his term)