Which is a mathematical statement consisting of a hypothesis and conclusion that has to be proven true?

South america is located within which hemisphere?

Which season occurs in the northern hemisphere when the sun is at its lowest point in the sky

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion