Labor unrest, the Bolshevik Revolution, and rising racist, nativist sentiment had made Congress wary of allowing poor Europeans who had been exposed to socialist ideas to immigrate.
Free slaves as union forces won back territory, abolish slavery, and the war was being fought against slavery, so Europe gave no support to the South.
The Culture, Language, History, Geography, Economics and Ethnic Background of the two regions were very different.
<u>Explanation:</u>
The British separated Pakistan and India based on the religion along with the Independence. Pakistan ( as in these days ) was separated based on the Muslim majority and India was separated based on the Hindu majority. Also, there was another land in the east of India with a Muslim majority that refused to mingle along with India. And it named East Pakistan ( Bangladesh these days ).
Those lands were separated by more than 1000 miles. These distances changed the cultural pattern of East and West Pakistan. Also, East Pakistan was adjacent to the Indian territory by three sides. This resulted in the variation of language, history, economics, geography, ethnic background and other cultural patterns between those Pakistan lands.
A number close to an exact amount is called and estimate
