What emotions or feelings might these women have experienced as they left their traditional roles to become a part of the war effort?

Excitement and Fear

Explanation:

Women's started to obtain a lot of work opportunities after the world war.

Prior to that, women were generally looked down upon. Public generally believed that women were less capable them men in the workplace.

When the men were drafted, many of the jobs in the country need to be filled. So, many companies employed women. A lot of women felt excitement for this opportunity, since many of them finally have a chance to proof themselves after centuries of constriction by society.

But, alongside that excitement, some of them also experience fear. They're afraid that the societal perception toward women might be worse if they did a bad job. So, a lot of them pour a lot of efforts into the tasks and save the national's economy.

a. factors that are used to make goods and services

the answer is mass marketing.