<span>Christopher Columbus </span>
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.
It was the Battle of the Bulge that was the final Nazi offensive during WWII. This was a decisive battle that many believed sealed their fate since they never regained ground.
ANSWER: D. Martin Luther King, Jr.
-Although all of the names mentioned played vital roles in the Civil Right's movement of the 60's, Martin Luther King, Jr. led the March on Washington in 1963.
-Ayeee, lol this is were he also freaking gave his famous "I Have a Dream" speech.
Hope this Helps!!
The religious fervor in American society your welcome :)
