It can thin out the ozone layer
The three countries are Spain England and France
Explanation:
Action Research is an approach that brings together researchers and end users (theory and practice) to give practical outcomes through a process of shared knowledge creation that gives the end users to undertake practice change.
The correct answer is:
Federal relief for the unemployed.
Franklin Roosevelt instituted the New Deal from 1933 to 1939. Congress passed dozens of programs to stabilize the U.S. financial system. They provided relief to farmers and jobs to the unemployed. . The New Deal policies introduced Keynesian economic theory.