Fast brainiliest Which type of economy is present in almost every country in the world?
A. Traditional
B. Command
C. Market
D. Mixed

D. Mixed

Explanation:

Most developed countries have mixed economic systems. Such a system has characteristics of both command and market economies.

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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a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.