Who did businesses turn to when immigration from Europe stopped because of WWI?​

d and a is the correct anwsers

explanation:

1

b gas tractor

2

c and negotiated lower prices for farm equipment and supplies

3

d the grange

4

c over 15,000 bankrupt businesses

5

c people became more self-sufficient

there are many answers to this question, such as a diplomat, ambassador, soldier, united nations employee, cia, etc.