Which of the following most directly contributed to the advanced development of both pre-columbian american societies described in the excerpt?
a)creation of military forces stronger than those of most rival societies
b)access to waterways to transport goods and trade with other societies
c)adaptation to and use of the natural environment for their own benefit
d)transfer of power through inheritance, which reinforced spiritual claims to authority

In his speech how does kennedy build his claim that the united states will defend freedom in its hour of maximum emergency? a.by arguing that the u.s. must enforce international law across the world since the united states is the lone superpower in the worldb.by demonstrating that the poverty which many people suffer from is an obstacle to true freedom  c.by stating that the u.s. will play an active role in fighting groups that are opposed to freedom, and by supporting groups that are fighting for freedom  d.by demanding that the adversaries of the united states be more willing to negotiate, or else there will be war

Considering the benefits and drawbacks of the different types of money as well as the gold standard, do you agree or disagree with the us government’s decision to discontinue the gold standard? justify your response.

The low and midlevel clouds that look like cotton balls are