The second wave immigrant that arrived in the United States was from Ireland and Germany
During the 1840s potato famine in Ireland, most Irish individuals flee their country to arrive at the East Coast regions of the U.S. Most of them were having no money so they remained near the East Coast because they lacked the resources to facilitate their internal travel. At this very time, equal numbers of Germans arrived as immigrants but they travelled to occupy more inland areas to buy farms in the Midwest.
Soviet Union had stretched from Europe to the Pacific Ocean and conquering all of it would take time and effort, and the Nazis had to face the Soviets and nature at the same time.
Economic. Nixon shock.
Foreign. Nixon Doctrine. Vietnamization.
Environmental. EPA. Clean Water. NOAA. Legacy of Parks.
Cannabis. war on drugs.
Native American
After Muhammad's death, the sunni wanted Abu Baker, Muhammad's closest advisor, to become the new leader of the muslim world, while the Shi'a favored Muhammad's cousin Ali. Abu Baker was made the leader of islam, but this left many bitter feelings and more disagreements arose between the two sides, especially many years later following Ali's assassination, eventually leading to the creation of two separate sects.
You ask a question that you don't regarding school subjects and others who come across your question and know how to answer will help you and reply