Entertainment? if not can i see the answer choices
Because there was so little known about the ocean floor at the time
Answer:
The Berlin Blockade of 1948 to 1949 marked the beginning of the Cold War, the building of the Berlin Wall in 1961 represented the high point of tensions and the opening of the Wall in 1989 represented the end of Cold War tensions.
President Obama called on Americans on February 4, 2013, to appreciate the day as the 100th Anniversary of the Birth of Rosa Parks “with appropriate service, community, and education programs to honor Rosa Parks's enduring legacy.”