How many states were in the union? 11 13 20 33

Why was the battle of gaugamela an important turning point in alexanders conquest of persian empire

In part, amendment states that no person who has commited tenson or 180against the united states can hold public office, a[13th]b[15th]c[14th]

Identify one specific example of how the enlightenment characterized a change in economic thought from the past