Answer:
The United States became serious about the Space Race when the Russians (Soviet Union) released Sputnik into space
Explanation:
B. he negotiated a deal with Spain to cede Florida to the united states<span />
The first sentence although I believe the last one is also correct.
Answer:
Cuba is approximately 110,860 sq km, while United States is approximately 9,833,517 sq km. Meanwhile, the population of Cuba is ~11.1 million people (315.5 million more people live in United States).
Explanation:
