what invention helped production levels increase because one person only had to focus on one thing at a time before it was sent down the line.

Describe the social and economic effect of world war on england and usa

Which term do historians use to describe the personal preferences that people have that affect their interpretation of events

The major impact third parties have on presidential elections has been to.. a. encourage larger vote turnout b. recruiter leader from the democratic and republican party to run for president c. generate increased party identification among the electorate d. developing issues that are later adopted by the major political parties e. drawn off of votes from the major parties to throw election into the house representatives