Which factors led to world war ii? choose all that apply. revolt by colonies conflict of ideologies separation of cultural groups depression feudalism german aggression

conflicting ideologies,

depression,

division of cultural groups,

invasion of Poland

Explanation:

Re-building of Army: When Adolf Hitler became chancellor of Germany, he started re-building the German army and especially Air force {Luftwaffe} which was the violation of the "Treaty of Versailles".

Re-capturing the Rhineland: In 1936 German troops re-captured the Rhineland, According to the "Treaty of Versailles" Rhineland should be the demilitarized zone.

Invasion of Poland: In September 1939 German army invades Poland, once again took control of its parts which was prohibited according to the "Treaty of Versailles".

the technology changed agriculture in an impacting manner since many people left the field work by a cellular or other technological appliances