I believe it was the use of poisonous gasses, which they not only used on the Jews but in war too......., or The newly created Machine gun<span />
Answer:
The First Continental Congress was a meeting of delegates in the United States. This meeting took place from September 5 to October 26, 1774 at Carpenters' Hall in Philadelphia, Pennsylvania. The delegates dicussed different ways in which the could collectively respond to the acts of the British government, which had included a blockade of Boston Harbor. The delegates agreed to impose an economic boycott on British trade.
Both were poor peasants; other leaders were upper-class or well educated or from the military.
i hope i could help! good luck:)
Answer:
Invasion of Poland and the alliance between them and great Britain when they decided to go to war with Germany.
Explanation: