When was the heliocentric theory accepted by the world?

immediately after copernicus proposed it.
after gaining some supporters.
long after copernicus died.
still has not been accepted.

Option: Long after Copernicus died.

Explanation:

During Scientific Revolution, Church remains strict to their believes after astronomers like Nicolaus Copernicus gave their theory that the Earth rotates on its axis and revolves around the Sun. Church banned the heliocentrism because it was different from their teaching.  At last, the church accepted the theory after his death when they realized they were in the wrong position.

The correct answer is option C - Armenian, Holocaust, Cambodian, Darfur.

Armenian - it was the extermination of 1.5 million Armenians during and after World War I, in 1915.

Holocaust - it was the extermination of some 6 million  European Jews between 1941 and 1945 by the German Nazi.

Cambodian - A communist group known as the Khmer Rouge, led by Pol Pot seized control of Cambodia killing 1.8 million people by 1975.

Darfur - it was the first genocide of the 21st Century. Almost 400.000 Darfurists died by 2004.

Explanation: