Which of these countries belonged to the central powers during world war 1?

Germany Austria Hungary Bulgaria and The Ottoman Empire xepA

I just took the test and got it right so. Hope this helps!

they gained popular support by speaking out against communists

in the united states. ( d.)

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.