Nazi efforts to purify the German race gained an air of scientific respectability from possible without war, of course, and Hitler did not shrink from its implications.
Answer:
It was a success in my opinion.
Explanation:
Reconstruction was both a success and a failure because the goal of united America was accomplished by defeating the army of Confederate while the goal of implementation of fourteen amendment i. e. providing civil rights to all slaves in the whole country was not accomplished which was a failure of Reconstruction. Reconstruction was a success because it achieved its goal of united America by defeating Confederate army.
Of these options, "<span>Better technology allows easier access to water supplies" is the best answer. Things like canals and waterways greatly increase the number of people who are able to live and farm on dryer land. </span>