The oil embargo of 1973 forced the U.S. to ration gasoline for a time.
The Spanish encomienda system in the Americas resulted in "<span>(3) the exploitation of natives" which was very common during this time of exploration. </span>
The Battle of Gettysburg, which was fought from July 1-July 3, 1863, was the biggest battle in the Civil War with the most causalities. This battle was also the turning point of the war with the conflict now favoring the Union side.
