What type of government combines both unitary and confederal political systems?

Which of the following was a characteristic of government proposed by the new jersey plan? it denied congress the ability to levy taxes. it based representation on population rather than keeping states equal regardless of size. it denied congress the ability to regulate trade. it preserved an executive committee rather than adopting a singular president.

List three reasons why explorers began to explore new, and old areas. [[ps: doesn't explicitly say where. i think it's more in general.

What was gained through the gadsden purchase