Which experiment should be conducted as a field investigation

Review the following types of government and match the style to it's definition type of dictatorship in which one person has complete control of the government government in which the people elect representatives to make government decisions for them government in which all people directly participate in government decisions government power is shared between a national government and regional (state) governments government has almost complete control; makes most decisions government power is centralized in regional (state) governments and they work together in a loose national government 1. authoritarian government 2. autocracy 3. confederal government 4. direct democracy 5. federal government 6. representative democracy

The segments shown below could form a triangle.

In the mid-1800s, native americans who had lived in the westtraded their manufactured goods with settlers.were able to resist diseases carried by settlers.offered their services as guides to settlers.prevented settlers from moving onto their territory.