An influx of people meant the risk of overcrowding, which in turn meant that cities often didn’t have enough space to accommodate everyone. People living in close quarters without proper hygiene + newly or poorly developed sanitation systems = disease.
Hitler intended to cut the sea lines between the US and Europe by having an armada of ships block the shipping channels. I hope my answer has come to your help. God bless and have a nice day ahead! Feel free to ask more questions.
The answer to this question: C
People not paying child support or sufficient funds.