2. What did the author of the article surmise was the reason for this? 3. What “factor” did the author list as unique in this latest spike?
4. How long would it take to get “dependable data”?

What was an important consequence of the neolithic revolution? ):

One drawback of voluntary trade is that it a.requires two groups to use a common language b.can make one group dependent upon another for necessary goods c.doesn't occur unless there is a shortage of goods for at least one group d.forces groups to rely on themselves to produce all the goods they need

Which statement is true about women's suffrage? a. women won the right to vote during theodore roosevelt's presidency. b. women won the right to vote during reconstruction c. women won the right to vote after world war 1 d. women won the right to vote during the spanish-american war