How do historians define the term modern era

According to thomas hobbes concept of the social contract what do people exhange for protection by the government ?

What was one of the difficulties adams faced as president? a. european countries were trying to move back in on u.s. lands b. possible war with england; fighting between political parties c. problems with spain; trade disputes with russia d. census issues; problems with selecting a new capital

The political, economic, or cultural environment that surrounds an event provides the event with its