Answer:
Darwin noted that not all offspring that are born survive, that there is variation in the population, and that there is a struggle for survival.
Explanation:
The theory of evolution, proposed by Darwin, is based on some key points: common ancestry and natural selection, which proposes that the most suitable organisms survive. In any group of species, all individuals have common ancestors at some point in evolutionary history. Thus, they are descendants of them with modifications and result from natural selection.
It declared that the federal Tariff of 1828 and of 1832 were unconstitutional and South Carolina just weren't going to follow them.
Hope this helps!
:D
Those factors were:
city-states
the drawing of political borders
divide and rule policies
<span>The empire grew rich from the trans-Saharan trade in gold and salt. This trade produced an increasing surplus, allowing for larger urban centers. It also encouraged territorial expansion to gain control over the lucrative trade routes. Hope this answers the question.</span>
