Inside these factories there sometimes were no good ventilation(no windows), many frequent accidents would happen and many children would start working very early maybe starting by the age of 6 yrs old if there parents weren't there to supervise them
Cloth and spices brought back by the crusaders led to greater interest in trade.
The developed a bomb, not just that, the Nazis wanted to take over more land and that meant they where a threat to America, the Soviets teamed up with the US to create a bomb and it turns out the Nazis weren't even going to bomb them