Question

How did the weather affect the building of the Panama Canal? The hot, dry weather made many of the machines break down. The cool, rainy weather helped construction move quickly. The hot, humid weather made the work exhausting. The hot, dry weather season helped construction move quickly.

Answer 1

its the 3rd, the hot humid made it very exhausting to work

Answer 2

The hot, humid weather made the work exhausting.
Many died during the construction of the Panama Canal due to the hot, humid conditions in which the work took place. This environment also carried great risk of disease, specifically insect borne diseases. Cause of death included dysentery, dehydration, fever, and exhaustion.