Hurry which of the following statements best describes the incan social class structure?

a.
most incans were nobility who owned large tracts of land.

b.
only incans could be a member of the nobility.

c.
lower ranking nobility held government positions.

d.
to be a member of the nobility, you must be related to the king.

Which factor was a major cause of the great depression of the 1930?

What happened 10 million years ago? if u answer, u get 50 ! plz answer ; -;

Two gymnastics teams are intense rivals. the first team has started recruiting new gymnasts from different cities and even foreign countires in an effort to build a stronger team. after learning this, the secondteam begins its own recruitment campaign to find better gymnasts. over a period of months, each team recruits dozens of players, each time trying to find a better recruit than its rivals most recent addition. which idea from the cold war is most similar to this scenario