Imposing of tariffs meant that European countries could not sell goods in the U.S., so they imposed their own tariffs, resulting in a decline of worldwide trade.
What Marie should primarily consider if she decides to purchase a car of not using rational decision making is the marginal benefits and costs of her decision. So if she is thinking of buying of car, she should consider how much she would spend and what would be the benefits she can get in having a car.
In the decline of Swedish influence and the emergence of Russia as a mojor power in that region
In the 1750s Britain wanted to trade with the Indians but the French built tower/walls/forts to prevent this trade from happening