What was an effect of having so many men away from home during World War II? O It permanently changed the role of women in the workforce.
O It opened up opportunities for minorities and women.
O It eliminated racial discrimination permanently.
O It changed American family values.

b. It opened up opportunities for minorities and women.Explanation:

edge 2020

the technology changed agriculture in an impacting manner since many people left the field work by a cellular or other technological appliances

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.