The Holy Land is important for Christianity, Islam, and Judaism because
each religion has important historical events that took place in this
land. The Holy Land is where the Jews believe the First and Second
Temples were built, for Christianity the Holy Land is where Jesus was
born, lived, and was crucified, and for Islam it is where Muhammad
ascended into heaven and spoke to god. All of these events and many
other make the Holy Land important to all three faiths
He believed in making a new "perfect aryan race". Jews didn't fit that description, so he decided to kill them. He killed anybody really, but Jews were his main target as he was very anti-Semitic and blamed them for basically all of the worlds problems.
Taxation without representation, the colonists were taxed by the British without the Colonists own government being consulted. Another reason was the that the British did not allow the Colonists to move into the newly aquired area of the northwest region(Ohio, Kentucky etc.), because the British promised the area to the Native Americans. And may I note the Colonists actually considered themselves to be British.
Hitler believed were the superior race in the world, or as he called them "The Arian Race"