<span>The Louisiana Purchase doubled the country's size.</span>
May 10, 1869 was when the transcontinental railroad was completed
The exact amount is not certain but its 800,000
Answer: Rome
Explanation:
Christianity began in the 1st century AD after Jesus died, as a small group of Jewish people in Judea, but quickly spread throughout the Roman empire. Despite early persecution of Christians, it later became the state religion. In the Middle Ages it spread into Northern Europe and Russia.
Answer:
Scientists generally agree that the first Americans crossed over from Asia via the Bering land bridge, which connected the two continents. This exodus most likely began between 20,000 and 40,000 years ago.
