Select the option that completes the sentence. Before the Panama Canal coult be built, the problem of_________

Question

Select the option that completes the sentence.  Before the Panama Canal coult be built, the problem of_______________had to be addressed.

GPT-5 mini · Answer

disease — specifically yellow fever and malaria (spread by mosquitoes)

Select the option that completes the sentence. Before the Panama Canal coult be built, the problem of_______________had to be addressed.