One such sentence would be this: "The compass was a vital piece of technology that allowed sailors and explorers of all kinds find their position in the world relative to the North Pole".
The Mexican American War heightened tensions over slavery in that there were many disagreements over whether the new territories won from Mexico should be free or slave territories. The Wilmot Proviso, created to solve the problem, ended up slitting parties on regional areas.
Good luck :)
1. The king of Britain created unreasonable taxes
2. The colonist had to basically do whatever the king asked them to.. so they wanted to create their own government
Definitely not A or D. Both B and C could be applicable