Answer:
The World War 1 experience impacted hugely on U.S. culture, domestic politics and society. The war also resulted in an increased demand for weapons abroad. This led to increased profits and heightened productivity in the American steel industry. World War 1 ushered in an era of using chemical weapons.
more and more whites kidnapped african people and they were forced to do work around their owners property
The correct answers are A) It accelerated migration to the West Coast and D) It added an additional slave state to the country.
The discovery of gold in California impacted western expansion in that it accelerated migration to the West Coast and it added an additional slave state to the country.
After the United States purchased the Louisiana territory in 1803, US President Thomas Jefferson ordered the exploration of the new territories with the Lewis and Clark Expedition. Two years later, both explorers delivered the results of their exploration and President Jefferson supported the occupation of those lands. So the westward expansion started. Thousands of people started to move west using the Oregon Trail to fulfill the Manifested Destiny.
During the twentieth century, the study of the large-scale structure of the universe evolved from the theoretical to the practical; the field of physical cosmology was made possible because of both Einstein's theory of relativity and the better ability to observe extremely distant astronomical objects. Option A is correct.
Albert Einstein formulated two theories which he included to his theory of relativity. On the one hand the special relativity and on the other hand, general relativity.
The former refers to the lack of gravity and the physical phenomena that occurs because of it and the latest refers to the law of gravitation.