The building of temples and great cities without modern machinery, using astronomy to predict astrological cycles and plant crops and using their language to communicate and measure time are some of the Mayans most notable achievements.<span> During a 600-year period of time, which was from 300 A.D. until 900 A.D., the Mayans made many great achievements in science, communications, engineering and agriculture</span>
Answer:
Most Vikings were farmers. They grew crops such as barley, oats and rye and kept cattle, goats, sheep, pigs, chickens and horses. In most parts of Scandinavia, people lived in timber houses, but in places where wood was scarce they built with turf or stone instead.
Explanation:
B
President Truman declared the US's intervention as "police action" and did not declare war formally.
The main objective of the Anti-federalists was avoid the establishment of the president because they thought that a centralized power could degenerate into a monarchy. Although the Anti-federalists could not avoid the approval of a new constitution, this effort was not completely in vain. Anti-federalism thus became an influential group among the founding fathers of the United States. With the approval of the constitution and the bill of rights, the anti-federalists were exhausted. They were succeeded by members of the anti-administration party, which opposed the fiscal and foreign policy of George Washington.