As time has pass people has learned more about changes of environment
When Lincoln was elected as President, it was clear to slaveowners that there would be efforts to abolish slavery. White southerners who did not own slaves had nothing to lose, therefore southern slaveowners worried their loyalty would sway towards the anti-slavery movement. This would be detrimental to slaveowners as they would not only have Northerners trying to take away their slaves, but their fellow neighbours as well.
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The Soviet Union has taken control of the countries of Central and Eastern Europe. People who live in cities in Central and Eastern Europe have begun to use iron curtains. States what he said most accurately.
After WWII,many nations was left weak and vulnerable after the war,and The Soviet Union took the chance to take over the governments of some Eastern European nations.
USA was unhappy about it as it was afraid of the spread of communism, and Churchill used the Iron Curtain speech to state that an ‘Iron Curtain’ was built between the satellites of Soviet Union and the Western European Nations as he said that “From Stettin in the Baltic to Trieste in the Adriatic, an iron curtain has descended across the continent.”
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Thee forms of nationalism, from the list:
political
ethnic
religious
Geography can play a role in the formation of nations. But when we speak of types of nationalism, we generally refer to ideas around which a nationalist feeling is based.
Ethnic nationalism focuses on shared ethnic identity, seen in common language, racial group, etc.
Political nationalism focuses on loyalty to the political state in which one resides--to its ideology and political system. In its formation, the United States served as an example of this form of nationalism, uniting around a shared idea.
Cultural nationalism (not listed above) sits between ethnic and political nationalism, incorporating features of both. It focuses on shared traditions within a country. Though it may have some connection to ethnic commonality, the greater emphasis is on shared experience and national traditions.
Religious nationalism sees a connection between a particular religious identity and national identity. A Muslim nation that operates under Sharia law would be an example. The United States can also be an example if/when people describe the US as "a Christian nation" and see patriotism aligning with principles of the Christian religion.