Answer:
Environmental instability may have been a factor not only in shaping adaptations but also in contributing to the extinction of some lineages. Environmental variability associated with the extinction of large mammal species has been proposed for the southern Kenya region.
The correct answer is B) the availability of farmland.
During the 19th century, the US was constantly expanding westward. Due to the idea of Manifest Destiny, the federal government strived to add as much territory to the US in order to connect the two sides of the continent. This resulted in the US gaining a significant amount of territory.
This increase in territory resulted in the federal government creating policies that encouraged American citizens to move west. One example would be the Homestead Act, which gave 150 acres of land to any American willing to move west.
Explanation:
Europe Nation that created in 1871 became know as Germany
Chinese immigrants were looked down upon more readily than other immigrants for many reasons. The first is that they would except staggeringly low wages. This made it difficult for other American's to protest or strike for higher wages or even to find jobs at times. American's felt that they were far superior because the Chinese wore different types of clothing, they had a totally different type of diet, the men wore their hair long and unkempt, and they practiced strange religions. Because of all of this American's were extremely discriminating towards them and did not want them tainting the view of America. This came to a head on May 6, 1882 when government finally listened to voter's complaints and passed the Chinese Exclusion Act.
Answer:

Explanation:
The Southern states often found tariffs to be problematic.
The North had almost all the factories and industry of the country, so protective tariffs helped them. The prices of goods were raised and American Northern manufacturing was preserved.
On the other hand, the South was very angry. They didn't have many factories, so they had to import goods. Raised prices and possible retaliation tarriffs that could hurt their agricultural industry infuriated Southerners.