Answer:
hiding boot used protection against bombs
There was so many casualties because enemies invaded malls,homes and others and the people didn't have enough time to evacuate.
Help provided by the United States like food and money
To spread Christianity, conquer and colonize other lands, gain money, and compete in power with their other European neighbors. Also to spread their country's influence like their language, culture, and customs. This can be seen for example in Africa and Latin America where European languages, customs, and Christianity exists.