A strong fortified settlement is not the push factor in migration
Explanation:
There is difference between a push and a pull factor. Push factor is the cause which forces a person to leave the country in search of better living. Depletion of resources, war and famine are some of the push factors.
Pull factors are the aspects which pulls or attracts the migrated people into the land due to the abundance of natural resources, better living conditions, employment opportunities, educational opportunities and practicing religious freedom. These are various pull factors which allures the people for migration. African Americans migrated from the southern states to union in search of better living conditions and industrialization which opened huge employment opportunities.
I think A but I`m not a hundred % sure. :)
On July 26, 1948, President Harry S. Truman signed this executive order establishing the President's Committee on Equality of Treatment and Opportunity in the Armed Services, committing the government to integrating the segregated military.
His name was Albert Einstein that’s the answer
One way a quadcopter is used today is to capture important events from above if you need a certain angle. Another way is to surveil areas,