No branch is stronger than the other. This is because of the two types of checks and balances that are established. If one governmental branch became too strong, the other branches would be able to neutralize such through its given powers. The second type granted is embedded in the institution, in which each branch is secure against each other.
The type of economic institution works to provide services to a community and does not pay taxes will be non-profits. These include the Red Cross or churches, which provide for the community, but is tax-exempt.
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The level of immigration between 1930 and 1945 is most directly related to the Great Depression and World War ll. Due to the poor economy with little opportunity for better living standards, very few people were willing to immigrate to the USA.