Responses
A a substitute for dynamite was put into use.a substitute for dynamite was put into use.
B new machines and technologies were invented.new machines and technologies were invented.
C a cure was found for yellow fever and malariaa cure was found for yellow fever and malaria
D sharecroppers from the U.S. were sent to Panama.sharecroppers from the U.S. were sent to Panama.
The early completion of the Panama Canal was made possible new machines and technologies were invented. These included dirt spreaders, unloaders (to get the dirt off of flatcars), and track shifters (to move railway lines rapidly). They also used huge steam shovels to remove the dirt, as well.
1 answer
The correct response is B: new machines and technologies were invented.
The early completion of the Panama Canal was largely attributed to advancements in construction technology and machinery that significantly improved efficiency in the excavation and transportation processes.
