Im writing this to finish a challenge
Answer:
The railroad boom began in 1862, when president Abraham Lincoln signed the Pacific Railway Act. This act offered two companies land along its right of way in order to speed progress. What railroad had a more difficult time with building their rail line due to the Rocky Mountains.
Explanation:
The correct answer is letter A
Explanation: The higher temperature of the earth warms the air above it, making the atmospheric pressure lower than the ocean and blowing the wind to the earth. At night, the situation is reversed: the sea takes time to cool because the deep waters keep the nighttime temperature almost equal to the daytime
The Harlem Renaissance was a period during the early 20 century, in which the arts thrived in Harlem, Newyork ( most specifically among African Americans). Artists like the poets Langstong Hughes, Maya Angelou, Jazz singer's like Louis Armstrong , and literary artists like James Baldwin was spawned. Many things influenced the Harlem Renaissance such as the change of urban living, immigration, diversity, and opportunity for black people.
The answer is b.the United States was recognized as a world power