Which new weapon do you think was the most effective in WW1 ?

The Machine Gun

Explanation:

There was a significant technological advances during WWI and The machine gun was the most effective during the war. The United States created it and Germans recognized it and was ready to use it.

where's the

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.