What happened to the people at the winter palace when they asked the czar for help

they were killed by the Czar's general commanded his troops to kill them.

Explanation:

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.