Answer:
D-day what happened.
In June 6, 1944 Allied forces launched a combined naval,air and land assault on Nazi -occupied france.early in June 6 allied airborne forces parachuted,into drop zones across nothern france.ground troops then landed across five assault beaches -utah, Omaha , gold,juno and sword.
The effect. was the beginning of the end for not only the Germans but hitler's most of all. D-DAY force the Germans to fight a two front war again just as they had in WWI .yet again the Germans could not handle war on both sides of them.
"The United States withdrew its support." was perhaps the most immediate result of Diem's refusal to hold elections, but it should be noted there were others as well.
Answer:
The Battle of Concord/Lexington.