The American revolution was the war that the US win its freedom from England. The war broke out because of England’s unfair tax rates and rules, finally after a few years of England outrageous rules the Declaration of Independence was written. Upon presenting the declaration to England they were outraged and the war began. The war had many casualties on both sides but England had it far worse than the US. The English belived taking cover was for cowards, this ended in there defeat in many battles. The war ultimately ended on sept 3 1783 when French allies and US troops surrounded English troopers and general lord Cornwallis. Cornwallis surrendered his sword and the war was over, America had independence. The war lasted from April 19 1775 - sept 3 1783.
The US government wanted to win the Space Race, and since they saw the USSR had already put an object into space they needed to catch up or beat them.
The most obvious difference is in the two groups' names. The YAF appears to show much nationalism, while the SDS suggests to us that it is Democratic. The similarity about these two groups are that they both are run by young people, as their names start with "Student" and "Young."