US president Dwight Eisenhower develop the domino theory on a fear of which possible event

HoChiMinh, ruler of North Vietnam would take control of South Vietnam.

Explanation: Dwight served as supreme commander for the allied forces in Europe.

His main responsibility was to supervise and plan for invations in North Africa.

His main goal was expansion of Soviet Union and reduce federal deficit.

He expanded social security.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

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.