Final answer:
The law that has been a stop-gap funding measure since the 1880s is the Emergency Banking Act, signed into law by President Roosevelt in March 1933 in response to the banking crisis during the Great Depression.
Step-by-step explanation:
The law that has been a stop-gap funding measure since the 1880s is the Emergency Banking Act, signed into law by President Roosevelt in March 1933 in response to the banking crisis during the Great Depression.