How much bigger did the us become when president jefferson purchased land from france in the louisiana purchase

It doubled in size or to be exact 828,000 square miles.

D. they had very different political philosophies that lead to a deep mistrust of each other.

not only did their political philosophies differ, but also their economic systems. the soviet union was strongly socialist and the united states believed in capitalism. both hated one another and thought their side was the only way to run a successful country. what it came down to was that both countries were terrified of the other's ideologies being imposed on them. neither wanted to convert, for they felt it would be their downfall. it was a battle of ideologies.