The form of city government merges executive and legislative functions in a single group of officials.
a. township
b. mayor-council
c. commission
d. city manager

It would be the "mayor-council" form of city government that merges executive and legislative functions in a single group of officials", which is one of the two most popular forms of local government in the US. 

The french army was poorly prepared

The league of nations was found in 1919 to keep peace after world war l.but it failed to prevent world war ll in 1939,so in 1945 the nations of the world set up a new organization,the united state (un).since then, the un has encouraged international cooperation and worked to resolve conflict