One factor that led to the establishment of organized communities was simply the size of the migration movements, especially from the South, that required "grids" to be formed in many cities in the North.
B. Back then it was a fast way to get from one part of the country to the other.
I believe the Berlin Airlift was necessary because Berlin was located in East Germany (a Soviet satellite) and at this time (the cold war) there were geopolitical tensions between the Soviet Union and the United states. so because of this the only viable option to supply west Berlin was to do an Airlift.
<u><em>The correct answer is A.</em></u> Refuse to vote in elections. The congress for national Indian was based in political party in India.
The national Indian congress was the first nationalist modern movement which emerged in British empire which was found in Africa and Asia.
The congress became an Indian independent movement under Mahatma Gandhi who was the principal leader.
The congress successfully influenced anti-colonial nationalist movement which founded in British empire.
This congress is termed as the centre left of Indian politics.
