Britain and it's commonwealth countries (Canada, Australia, New Zealand, etc) declared war on Nazi Germany on September 1st, 1939, when they invaded Poland.
There were 4 main long term causes that led to the outbreak of World War I. These causes included militarism, alliances, imperialism, and nationalism.
it was led by soviet troops
Gen Omar Bradley led the Americans and Gen Bernard Montgomery led the British.
Dwight D. Eisenhower
Dwight Eisenhower led the group that planned and organised D-Day
Poland
Your teacher probably wants the answer Poland, since it was the German invasion of Poland which led directly to the outbreak of WWII. In fact there had been several German annexations before this (in the 'Sudetenland', and in Austria) which had caused some local fighting. But it was invading Poland which started the big shooting-match.
The event that led to the outbreak of WW2 is understood to be the 1939 invasion od Poland by Natzi Germany. ~Nick
The German invasion of Poland on 1 Sept 1939 generally is considered the start of World War 2.
Russia
Germany declared war on Poland, which led to England and France declaring war on Germany.
The Iraqi invasion of Kuwait on the 2nd of August 1990 led to Operation Desert Shield.For further information please see the related link.
United Kingdom
jacob and jack led the invasion of the inca empire
The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.
Militarism:)
Militarism.