What was so significant about windmills during the 1st industrial revolution?

What was the difference between marx view of communism and the actual implementation in russia? a. there was no difference between the marxist communism and russian communism. c. marxist view was not interested in the government controlling business while in russia, everything was controlled by the government b. marxist view was focused more on economic control while russia focused on taking complete controlled of everything. d. marxist view believed that the government controlled everything without questions while russia moved more towards a mixed economy.

What was the significant advancement of the caravel? a. it could sail with the wind c. it could sail against the wind b. it could sail at night d. it was motorized

Which country was the last to join the allied powers? o great britain o france o united states o china