Which of the following techniques was used to preserve stories about the past?
a. oral history
b. chronological thinking
c. periodization
d. historiography

At the beginnin of the history of the world, written techniques were not created yet, therefore only oral passing from one generation to another was the only way to transmit the history. Along the time some of them were written.

Where's the table ? can you take a pic ?

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.