Is this statement true or false?

What was the focus of the stanford study-pls

Which of the following was the us government allowed to do under the articles of confederation?

According to us supporters, which was a benefit of purchasing alaska? the territory would be a buffer to invasions from europe. the territory would provide a place for many americans to live. it would increase trade by improving access to the northern pacific. it would increase the united states’ power by creating a bond with russia.