Health in panama improved as a result of construction of the panama canal because doctors protected laborers by a) working to eliminate tropical diseases. b) demanding medical education be available. c) insisting on more healthcare funding. d) working to improve drinking water.

a) working to eliminate tropical diseases.

Explanation:

Tropical diseases in Panama prior to the construction of the Panama Canal were a severe cause of labor shortage, since tropical diseases doesn´t really kill you but rather weaken you to a point where no activity is possible, the focus of the doctors was to erradicate this diseases often transmited by the mosquitos that thrive on tropical zones, they protected the laborers by helping them stop the spread of those diseases and treating who already had them.

states

explanation:

as the old saying goes, all politics are local. state and federal governments affect our daily lives in numerous ways. yet, in our federal system, there is supposed to be a balance between federal and state power. as james madison envisioned it in federalist no. 51, “the power surrendered by the people” would be “divided between two distinct governments,” creating a balance of power that would enable the “different governments [to] control each other.”

hi, according to my research the answer to the first question would be false. al tabari was the author of the first medical encyclopedia & he was a persian scholar not arab