Which country was a German ally at the start of World War II but then joined the Allied Powers?

The most meme country of them all, Italy.

Explanation:

Unfortunately it has become the most meme one of them all due to Mussolini driving the country into a war, let alone trying to restore the Holy Roman Empire, when the country was not at the correct position to do so.

answer; /// i believe the correct answer is (b) disposition

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.