Answer:
One of the main things that Africa had was a self-government and town meetings, where people would meet to make their society better. They also started the majority rules in politics. Americans borrowed these ideas and implemented them into our government. :)
Of course Islam encourages and supports the development and creativity if you read the holy Quran you will see a lot of verses that we must think to understand the world around us. The miracle of the Quran was in the science that it introduces. Every day we saw and understand the miracles in the Quran. Islam is the religion of science and we know that the muslim who offers what serves humanity not only muslims will has the greatest reward from Allah. The problem not in Islam it's in the modern muslims.
The answer is:
The major industrial cities became overcrowded as workers from rural areas moved there.
and
Because of the steady increase in food production, the population nearly doubled between 1800 and 1850.