The only correct answer can be statement C.
The British and the America colonists work together to defeat the French in the French and Indian War, showing that statement A cannot be correct.
One result of the French and Indian War was France giving up a large amount of territory to the British. This included a significant part of modern day Canada. This shows that statement B is wrong.
Statement D is also incorrect because the French lost land.
This shows how only statement C. can be correct.
Your: is A the northern workers had a better work ethic
The answer would be inventions, so no one else can steal ideas.
The correct answer is B) They are allowed by the necessary and proper clause of the Constitution.
Implied powers are ones that the federal government possess but they are not specifically written into the US Constitution. However, the necessary and proper clause allows for the federal government to take actions that are not necessarily written.
This is because the necessary and proper clause allows for the government to take these types of actions when it is necessary to fulfill the role/obligations of the US government.