Answer:
About 16 million.
Explanation:
WW1 casualties was about 16 million or over. it was known to be one of the most deadly war in history.
Workers mostly sell their labor in order to "<span>a. earn income" since those who employ them must pay them a wage, which they can use to buy food, recourses, etc. for themselves and their families. </span>
Egypt had some earliest farming villages thousands years ago maybe even millions, Africa also had earliest farming villages as well. Albania, Central Germany, and Anatolia.
England had the most colonies spread out worldwide in 1900.
