An apple farmer needs workers to help harvest his crops, but this year, there are fewer workers to help the farmer. What factor best describes this effect on supply?

The farmer contended with changes in consumer spending.
The farmer had to deal with competition and substitute goods.
The farmer struggled to keep up with demand.
The farmer had problems with the availability of materials or labor.
Plz help

yes he is correct its D

Explanation:

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.