Answer:
The Mongols communication was so effective because it was powered by a Mongol supply or message route, known as a yam. A yam in Mongol times was essentially a system of relay stations used by the Mongol riders to transfer messages quickly and effectively, and the yams were their long distance communication system.
Answer:
Primary because document is something that happened the day of the event
Explanation:
When Dolley was in the White House, she made many contributions for the United States. One Easter at the President’s house, Dolley came up with an idea. She took Easter eggs and made a game out of it. She welcomed all people to come out on the big front yard of the White House. There, with their eggs, all the children got to play. This became known as the Egg Roll. She made people feel happy and cheerful . She took command of the White House , she also saved many important things when the British started to get closer to the White House .
