I think they are still used and relevant today because people know that they are very significant. people take that they were written long ago into consideration and that makes it more valuable
they set up outside of major cites which emerged a new economical opportunity.
-Agarvated
Answer: form utopian communities
Explanation:
"The following month, Germany sunk four more U.S. merchant ships. ... On April 6, 1917, the United States entered World War I. Get a firsthand look at how a new breed of weapons like WMDs, submarines, armored tanks and air attacks changed modern warfare forever in WWI: The First Modern War"
Memorial day became a federal holiday in 1971!!!