The decline began in the 1880's as industrialization increased.
Feudalism started around A.D. 700
An example of a check on the power of the legislative branch could be when the president decides to veto or reject a law that Congress has passed. ..However, an example of a check on the power of the executive branch could be if Congress decided to override a presidential veto. I guess another better example would be that the judicial branch has the power to declare acts of congress unconstitutional.
Hope this helps! :D
Answer:
Italy
Explanation:
Germany first invaded Poland then France joined the fighting in 1939, after a while, Italy joined the war as well in 1940.