How does the organization of petroleum exporting countries (OPEC) mostly influence the statistic shown by the graph

One argument of those who supported the gold standard system in the united states was that the gold standard

What was a major cause of world war i?

The second continental congress: a. made provisions for a continental army with george washington as commander-in-chief b. adopted a “declaration of causes of necessity of taking up arms” c. endorsed the olive branch petition d. all of the above