A difficulty that had to be overcome during the building of the Transcontinental railroad was Native raiding on work camps.
B, C and D are the correct answers hope I can help!
<span>The Cold War was conflict between two ideologies: Democracy
versus Communism. When World War II
ended, there was now a power struggle between the U.S. and the U.S.S.R. Both built alliances with other countries in
a bit to support their ideals. They
provided their allies with financial and military support to ensure that their
interests were protected. Many countries
were devastated during this period and it was only during the dismantling of
the Communist regime did the Cold War come to an end.</span>
Answer:
It prevented Japan from attacking Australia.
the Battle of the coral sea, fought during 4–8 May 1942 and it was a major naval battle in the pacific theater of world war 2 between the japanese empire's navy and naval and air forces from the United States and Australia.
