the answer is Have, because your subject is plural and you verb is past tene
“When they heard Box 342 rung, however, they assumed the fire was out of their territory and unhitched the horses. Only two fire companies were not fooled by the misleading alarm.”
An example of a challenge facing the American people during the late 20th and early 21st century is public education. The American democracy depends on an educated and well informed citizenry.
Answer:The answer It's B
Explanation: I just took the test.