40*50=2,000 Hours so 2,000*10=20,000 and 20% of 20,000 is 4,000 so $4000 is how much Anna pays in taxes.
The Maya civilization was divided into different city states
In the Mexican-American war, the Mexican's were not prepared for the battle: they did not have a strong enough army to handle America and they were already falling apart.
Source was History.com if you need more
The economic System proposed by Karl Marx in which all means of production are owned by them Proletariat but in reality is controlled by the government is Communism. It was as Economic and policital system used by The Soviet union, China, North Korea, North Vietnam, Cuba and Great Yugoslavia.
