The answer is D Croatians final answer
Because Thomas Carlyle who was a writer and philospher, made up the phrase that economics is "dismal science" (dismal meaning depressing) because he believed that humans are trapped in a world where population will always grow and limit natural resources and bring widespread misery.
It showed that there was an attempt by Germany for Mexico to help attack the US
The Apartheid government of South Africa resulted in the forced removal of 3.5 million black South Africans between 1960 and 1986. This all white government made legal segregation possible in South Africa. This forced millions of individuals to move and started segregated public facilities. During this era, there was very little contact between white and black South Africans.
Throughout World war 1 airplanes were most often used to Bomb targets on land because this was seen as one of the most effective ways to hurt the enemy.