Well it has helped science but finding cures to illnesses that lets say 100 years ago people would either die in a minutes, hours, days or weeks. Also it has helped technology because we are humans, we are not perfect, we make mistakes daily so machines make medicines to prevent overdose of drugs in millimeters getting into one tablet or pill.
Native Americans did not believe in land ownership, but in communal use of land. When borders were redefined it caused conflict with Spain and Britain because other countries did not approve of the redefinition of the boundaries and believed that they intruded on their territories.
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Answer: World War II ended, the United States became the great outside power in the Middle East, with three main concerns: Persian Gulf oil; support and protection of the new nation of Israel; and containment of the Soviet Union.
Explanation:
The origin of American economic involvement in the Middle East, particularly with regards to oil, dates back to 1928 with the signing of the Red Line Agreement.
The north's original plan was to make the CSA rejoin the Union.This is why they were on the offensive.
The south just wanted independence from the Union.After the attack on Ft. Sumter they went on the defensive.
The major turning points were Antietam because after that the Emancipation price was issued and Gettysburg because it really hurt the south's army and forced them to retreat deeper south.
The north had several advantages. They had more troops,Better weapons,More weapons,The British and French,And Abraham Lincoln as the country's leader.
Hope that helps.