Who was responsible for inventing the first working four-stroke engine? a. nikola tesla b. nikolaus otto c. michael faraday d. henry ford

Which goal was most likely to be supported by both poor peasents and city merchants in the early years of the french revolution? an end to feudal privileges overthrow of the monarchy destruction of the power of the catholic church suppression of the third estate take your time to answer, i'm not in a big rush

What were some effects in world war 1 in europe ? ( and only in europe)

How did the us change it’s economy to provide supplies for the war effort?