I’m not sure but i believe it is b) higher birth rates and death rates
From the 18th century on, expanding European imperialism across the globe began to pose acute challenges to states and societies throughout Asia and Africa. These challenges held enormous repercussions for indigenous women of all social classes, religions, and ethno-racial backgrounds. Until the late 18th century, the four states of Egypt, Libya, Tunisia, and Algeria were provinces of the Ottoman Empire; only Morocco was an independent kingdom. European political and cultural influence in North Africa was minimal. This changed dramatically after Napoleon’s 1798 expedition to Egypt, and, above all, with France’s invasion of Algeria in 1830. This essay and the supporting documents concentrate upon the three North African states—Algeria, Tunisia, and Morocco—that were part of the French Empire from 1830 until 1956 and 1962.
<span>The Ancient Greece democratic system was comprised of three separate institutions: the ekklesia, a sovereign governing body that wrote laws and dictated foreign policy; the boule, a council of representatives from the ten Athenian tribes; and the dikasteria, the popular courts in which citizens argued cases before a group of lottery-selected jurors.</span>
Spanish settlements in North America had one purpose only: to protect their shipments of gold and silver from competing European powers. The first successful settlement in North America, St. Augustine, Florida was built to protect Spanish fleets from attack by privateers. The statement above that the Spanish had "big cities. large farms" is patently incorrect.
It should be noted that the first successful rebellion in America; Pope's rebellion, also known as the Pueblo revolt, was the result of numerous failed promises on the part of the Spanish. Four hundred Spaniards were killed in the revolt and the Spanish lost control of New Mexico.
1b) The Níger river is important because it helped the grow their crops and control trade on the river.