Answer:
World War 1 was the first war in an industrialized age. New weapons and vehicles were used in this war that had never been used before. ... WWI was the first(and only) war in which poison gas was used. The first instance when poison gas was used in the Second Battle of Ypres.
Explanation:
The repeal of national Prohibition in 1933 showed that "<span>(4) unpopular laws are difficult to enforce" since drinking was very popular and people continued to do it. </span>
Answer:
A.) It helped them find their way to new countries by land and water