Answer and Explanation:
The 19th century saw large amounts of social change; slavery was abolished, and the First and Second Industrial Revolution led to massive urbanization and much higher levels of productivity, profit and prosperity. European imperialism brought much of Asia and almost all of Africa under colonial rule.
Answer:
A. people elect individuals to represent them
Francisco franko was a military dictator in Spain in 1939
Answer:
Correct answer is He calculated the value of pi.
Explanation:
Archimedes was the first one who managed to calculate the value of pi in the 3rd Century BC.
Second option is not correct as this can be attributed to Isaac Newton.
Third option is not correct as this can be attributed to Euclid.
Last option is not correct as he never supported this idea.
Answer:
d
Explanation:
protect citizens from threats
