Unrestricted submarine warfare, which became prominent in World War I, meant that submarines could sink any time of vessel at any time without warning. Before this, they had to surface first and place crews on lifeboats.
Answer:
The Articles of Confederation were discarded because they "failed to create a functional national government." Without a strong central government, trade was almost impossible.
Well first what the statements to choose from
Answer:
Cleveland learned that the treaty did not have the support of Hawaiians.
Explanation:
Grover Cleaveland was a former two times United States President between 1885 to 1889 and again between 1893 to 1897 was at time refuse to sign the treaty that allowed the United States to annex Hawaii. The reason behind his refusal was that he learned that majority of native Hawaiians did not want to be annexed.
Hence, in this case, the correct answer is "Cleveland learned that the treaty did not have the support of Hawaiians."
The Passage of the 18th Amendment to the Constitution.