Which of the following ideas eased thomas jefferson's discomfort with the louisiana purchase?
1 congress ratified an amendment to authorize the sale.
2 spain was no longer a threat to american expansion.
3 obtaining land would protect the farming culture.
4 few people from foreign nations lived there.

13) q: a: when world war i began, the official united states policy was

Choose the option that best completes this statement: the british and the continental system were blockades that prevented the united states from trading with without extreme risk to ships, goods, and sailors.

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.