What issues caused many people to emigrate from nicaragua?

a. political
b. medical
c. economic
d. social

Correct answer choice is :

The most popular cause for emigration from anywhere is to escape war, but many people specifically come to America for an opportunity to enjoy a better life.  Severe affliction suggested many people left to America to escape. Poverty and famine struck also pushed many to the U.S.A where the market was flourishing.

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.

answer conditional instability;