1914 report of the u. s. commissioner of fisheries. what do you think the report was predicting?

Fisheries are a place where fish are reared for commercial purposes. I'm not sure if you meant to put options in your question or not, but here is an example of that kind of report. 

DELAWARE BAY 
The relentless wind has made it all but impossible to fish the open waters of the Bay. Saturday morning a few boats tried to find some tog, but for the most part they were unsuccessful. Dirty water and strong currents greeted these hardy anglers and both of those conditions are detrimental to tog catching.

Shoreline anglers did have some decent fishing for white perch and catfish along with a few short rockfish. A few boaters also found success with these fish especially in the Leipsic River. Bloodworms remain the best bait for perch and rockfish with chicken livers or cut bunker a good choice for the catfish.

Answer (d) the greenhouse effect is primarily caused by car and trucks;