Drag each description to the correct location. determine which direction the ppc will

Drag each description to the correct location.
determine which direction the ppc will shift as a result of these major events.
1. an epidemic wipes out one-third of the country’s population.
2. private businesses come together to sponsor college education for low-income students.
3. educated and skilled workers begin migrating to other countries on a large scale.
4. the government builds an extensive network of highways to facilitate cargo transportation.
a. PPC shifts left
b. population.
c. PPC shifts right