Answer:
Their system of mathematics.
Explanation:
The Maya discovered zero. Most of the world's civilizations had no concept of zero at the time of the Mayans. Without zero there would be: No algebra, no arithmetic, no decimal, no accounts, no physical quantity to measure, no boundary between negative and positive numbers, and no computers. The Mayan’s discovery of zero was one of the most significant steps to get to where we are today.
The counting system was so simple. The Mayans figured out a genius system of counting which only required three symbols, a dot, a line, and a shell. These three symbols could be used in various combinations to keep track of the calendar and do arithmetic. Even the most uneducated people could use it to do basic trade.
Answer: Herbert Hoover.
Explanation: As the Depression worsened in the 1930s, many blamed President Herbert Hoover...
Answer:
Option A. Radical Republicans is the right answer.
Explanation:
They are the section within the Republican Party whose oratory and policies are rebellious and extreme when compared to the conservative republicans
They are the enthusiasts of the states which are in south and they also fought for the emancipation of the African slaves. They were divergent and opposed by the democrats. Radical republicans are in contrast to the Conservative republicans. They also struggled for the enfranchisement and centralized support for the Africans.
Refurbishment and reconstruction of the Southern states after the war had commenced. A long northern military was in standby in order to reshape the southern states after the war. The radicals wanted civil rights for the liberated Africans in south.
