A main cause of the trade was the colonies that European countries were starting to develop. In America, for instance, which was a colony of England, there was a demand for many labourers for the sugar, tobacco and cotton plantations. Paid labourers were too expensive, and the indigenous people had largely been wiped out by disease and conflict, so the colonisers turned to Africa to provide cheap labour in the form of slaves.
The photograph above speaks about the Tianamen square incident in a way that it<span> shows the determination of the protestors and how the Chinese military overwhelmed them - as seen with the humongous tanks and one protestor bravely standing before them.</span>
Answer:
1. Carbon-14 breaks down into nitrogen-14
2. I think it is the first one but I am not completely sure
3. nucleons
4. Strong Nuclear force
Workers would violently overthrow the capitalist system and create a new society where the means of production and distribution are shared among all