World War II began with the invasion of ___ by ___
.

German troops/to regain lost territory and ultimately rule their neighbor to the east.

Explanation:

Hope this helps UwU

the proximity of water was an advantage to western europe and its culture was able to flourish as a result. trade and travel by sea were easier and safer in historical times.

1. there are no mountains to protect it from the sea

2. and its has wet cool summers and wet, mild winters.