<span>I am pretty sure it was the Second Battle of the Marne but I am not a 100% <span>sure</span></span>
Answer:
southern states have so many military bases apex because of power in congressional committees.
During the 20th centuries, Southern States' politicians always push for a larger military budget (since most of them came from Republican party) that lead to the construction of more military bases in the south. But since there is no attack came within U.S border beside the pearl harbor attack, many of those bases became unused.
<span> Senate Finance Committee</span>
Scientists such as Einstein, Fermi, Teller, and Bloch emigrated in order to escape persecution and to pursue scientific research in the United States. Einstein was a famous physicist who discovered the famous energy equation E=MC^2. Fermi was also a famous physicist who was involved in the infamous Manhattan Project that helped to build the world's first atomic bomb.
USS Maddox. USS Maddox incident, was an international confrontation that led to the United States engaging more directly in the Vietnam War.