Why did the us want to annex florida?

What do the discoveries of shells used in jewelry and a huge dredged canal tell us about the indus valley civilization?

Underline the sentence that describes washington's first cabinet. what branch of the government is the cabinet in?

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more. b-it made cross-country travel too expensive for ordinary americans. c-it decreased the safety of americans who moved to settle the plains. d-it shortened travel time between the east and west for all americans.