Write a paragraph explaining how historians explore the past to understand events that happened long ago. Be sure to discuss at least four of these items in your explanation: artifacts, primary sources, secondary sources, narratives, historical maps, visual/mathematical quantitative data, radiocarbon dating, and DNA analysis.

Historians are changing their approach toward history because history is not just about dates and historical events. All the events are related to the culture of the society and there are many political and economic factors for an it. Studying past and to get the true answers about the past events one needs to look into these matters also. So they changed their approach and all these factors are taken into consideration.

Explanation:

the labor movement in the united states grew out of the need to protect the common interest of workers

for those in the industrial sector organized labor unions fought for better wages reasonable hours and safer working conditions

  in the 19th century trade unionism was mainly a movement of skilled workers.

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could you use this to with a topic?

the key difference between a democracy and a republic lies in the limits placed on government by the law, which has implications for minority rights. both forms of government tend to use a representational system — i.e., citizens vote to elect politicians to represent their interests and form the government.