A lot of things did, in various places around the world. The events that jump out in my mind when those dates are mentioned are these:
<u>May 14th, 1948:</u>
The provisional government of the portion of the British Mandate for Palestine that was designated by the UN partition as reserved for Jewish administration declared that it was becoming a free and independent sovereign nation called Israel.
<u>May 15th, 1948:</u>
The massed armies of Syria, Egypt, Jordan, and Iraq rolled into Israel with big signs on the front of their tanks that read "Oh No You're Not !" .
Answer: Because, predominantly in the agricultural Western region of the United States, the demand for cheap labor was extremely high at the time. The source of this cheap labor were Mexican immigrants.
a true democracy has the population vote on every decision for the government, while a republic has the population vote for representatives who do the deciding for them