kayleevilla

18.11.2020 • 

History

Select all the correct answers. What two effects did the development of vaccines have on society?
controlled infection-causing bacteria
helped control death due to smallpox
became the basis for future research
reduced the deaths of soldiers during wars
reduced the cost of medicines

You can have more than two answers I believe.

Ответ:

viv1302

19.09.2022

History

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Native Americans believed that no one owned the land while Europeans thought that if land isn't owned they can take it.

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