Answer:
People could be worried whether they will affect their jobs and businesses.
Explanation:
Foreign treaties are international binding agreements between two countries that establishes rules or obligations between two or more international laws. When new foreign treaties are introduced, people could be worried whether they will affect their jobs and businesses because these treaties are just new compared with what they are used to and the treaties has not been practised before. When introduced, people will be worried because they don't know the form and effect the new foreign treaties will take.
The last opinion seems more reasonable because Islamic leader is cruel and blame the USA for everything. But not 100% positive
The answer would be that the U.S. gained territory that needs to be admitted into the country as either free or slave states. Hope this helps you!