Support each other in times of war.
Explanation:
Major alliances were being made in Europe during the 19th century (1800s) due to expansion of territories and major countries appearing on the map. For example the Crimea War of 1853 has multiple major powers fighting each other. Russian Empire against Ottoman Empire, France, British Empire and Austrian Empire. Another example was is The Second Schleswig War of 1864 with Denmark against Prussia (Germany) and Austrian Empire. The alliances supported each other during these wars to take down a common enemy.
The third one, 40 1870 to 80 in 1900
The Battle of Britain was the first major campaign to be fought entirely by air forces, and was also the largest and most sustained aerial bombing campaign to that date. The Battle of Britain marked the first defeat of Hitler's military forces.
Answer:
Arkansas, having been admitted to the Union as the 25th state on June 15, 1836, voted for the Democratic candidate, Martin Van Buren, over Whig candidate Hugh White during its first presidential election. Van Buren won Arkansas by a margin of 28.16%.
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The positive effects were that they were allowed to easily assimilate and become a part of the American society according to American traditions. They were given all rights that all other citizens of the United States had which meant that they could vote or purchase property or anything similar.
The negative effects are that in assimilating them they would often abandon their own culture in order to adapt so they were not included as so much as assimilated. The idea was not to make the two cultures co-exist, but rather have the Native Americans become like the everyday US citizens.