What event is most closely associated with the start of world war in Europe

the spark of world war 1 was the assassination of Austrian Archduke Franz Ferdinand (June 28, 1914). The main catalyst for the start of the Great War (World War I).

Explanation:

please give me brainliest

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.