There had to be unanimity but that made it really hard for the league to do anything and the league suffered badly from the absence of major powers. Germany, Japan and Italy left and there was a lack of U.S participation
Limitations are important to understand for placing research findings in context, interpreting the validity of the scientific work, and ascribing a credibility level to the conclusions of published research. This goes beyond listing the magnitude and direction of random and systematic errors and validity problems.
A is the answer shear fits with it
