Question

What had to happen in Panama before the canal could be built?

French contractors had to be hired.
A cure for malaria had to be discovered.
The US Army had to be sent to Panama.
Panama had to gain independence from Colombia.

Answer 1

B. A cure for malaria had to be discovered.

Step-by-step explanation:

The French had already lost 22,000 workers due to Malaria, in order for the US to complete it a cure had to be found.