When they act against their common interests and/or threatens the safety of the people without cause
Rafael Bombelli, también escrito como Raffaele Bombelli , fue un matemático e ingeniero hidráulico italiano. Su Álgebra fue uno de los textos matemáticos de referencia en Europa durante más de un siglo.
Answer:
Both domestic and external factors contributed to sub-Saharan Africa's poor overall economic performance in the 1980s and early 1990s. Key constraints to growth included inappropriate economic policies, inadequate human capital development, and low levels of private investment.
In the late 1800s, Britain, France, Germany, and other European powers began to compete for African territories because of their wealth,easy access to the slave trade and the millions of people they could govern. (many considered Africans as inferior to Europeans) Within about 20 years, the Europeans had carved up the continent and dominated millions of Africans living on the lands.<span>Although many resisted, sadly, Africans could not prevent European conquest of their territories.</span>