What was one major cause of worldwide conflict during the first decade of the 21st century? A. Disagreement over which countries should enforce international law.

B. Clashes over how the United Nations should deal with terrorist groups.

C. Competition between groups for political power in a country.

D. Struggles between huge alliances made up of dozens of powerful countires.

remember the people who sacrificed their lives at gettysburg

mark me brainiest

north atlantic treaty organization.

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live

confedracy

supported slavery

upheld the supremacy of federal laws

believed states should be able to nullify federal laws

union

wanted to abolish slavery

supported high tariffs

upheld the supremacy of federal laws