How might a geologist study the history of the earth

Geology is the study of what the earth is made of, its structure, materials, the processes affecting it and the organisms that inhabited the earth. A geologist may study the history of the earth by learning about the organisms and events in the past, how they changed over time, and how they may affect the future.

a. competition between france and england for land and power

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.