I would say B) and D) apply to some of the differences between a Prime Minister and a President and also A). In addition, a Prime Minister is head of the government but may not be head of the state which may be a President in the same country or perhaps a Governor General.
President Andrew Jackson didn't want to have a war with Mexico but also did not want to deal with adding what could be another slave State. Jackson believes that if Texas was annexed, the other countries would view the United States a traitors. He was passionate about Texas but he was more passionate about keeping the Union together.
During European colonization, how did the French, Spanish, and Dutch view the Native Americans and how did their interaction differ? ... However, the French, Spanish, and Dutch sought profit through trade and exploitation of New World resources, and they knew that the native people would be important to their success.