Explain why national migration contributed to the decline of a major city in the developed world.

Some advantage and disadvantage

Explanation:

Increasing cost of services such as health care and education

Helps to reduce any labour shortagesOvercrowding

Migrants are more prepared to take on low paid, low skilled jobsDisagreements between different religions and cultures

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.