The purpose of the Common Market was to allow Western European countries to:

-a.k.a European Economic Community (EEC)

-created by 6 western European nations in 1957 (France, Italy, West Germany, Netherlands, Belgium Luxembourg) when they signed the Treaty of Rome

-part of a larger search for European unity

-countries would work together & would have free trade w/ no tariffs & would integrate their economies

-guaranteed peace because countries that are dependent on each other won't fight each other

-created solid base for economic growth - encouraged trade, promoted global exports, helped build shared resources for modernization of national industries

-England wasn't a part of it because they didn't like it

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

answer; ///i do believe that the correct answer is (b) ///middle colony