Answer:
Number 6: They all have three branches of government consisting of executive, legislative, and judicial.
Number 1: They all have written constitutions
Explanation:
Because there were messages intercepted from Germany to Mexico, telling Mexico to join the war and attack the United States. I hope this helps :)
War caused production rates to go up which led to increased economy and promoted womens rights.
Thucydides viewed war and politics as being inherently intertwined, since he believed that war was simply the means that humans resorted to when political discussions failed.