geography
what explorer first visited the u. s. river, which is the largest within its state, creating a natural boundary with mexico?

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

Do larger countries receive more money in remittances than smaller countries

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