What made world war i much more deadly than previous wars?

Ahistorian studying urban history in chicago in in the early 1900's. she is studying the population changes and the activities that people did in their everyday lives. based on the description which school of thought does the historian likely belong to

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

Which of the following is a good way to avoid aggression on the road ? a.gripping the steering wheel tightly b.taking some deep breaths c.turning up the temperature