the following is not a common barrier when people engage in problem solving.
emotional barriers
cultural barriers
learned barriers
language barriers

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation:

the democratic and republican parties

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