Africa, and fighting the British in the south....
It would be the development in agricultural knowledge/technology
Development in agriculture enable hunter/gatherer society to shift their behavior. Before this, they had to keep moving from one place to another in order to seek food to live.
After the development in agricultural knowledge/technology, the society now can stay in one exact place for a long period of time and relied on agricultural product as their main source food.
After living in one same place for a long time, the needs to build things to accommodate their living start to arise. They start to built several things and repeat the process every year. In the end, large cities were developed from the initially small hunter/gatherer society.
In general, when anything is "merit based" it means that it relies strictly on the knowledge and ability of the person in question, instead of special privilege such as family connections. <span />
Answer: I think the answer is B. The Boston Tea Party
Explanation: The Stamp Act made colonists angry because they were forced to pay taxes, then Tea started to have tax so they disguised themselves and started throwing tea in the ocean which was then called the Boston Tea Party.