Answer:
The North Sea Empire
Explanation:
The Viking presence dwindled until 1066, when the invading Norsemen lost their final battle with the English at Stamford Bridge. The death in the battle of King Harald Hardrada of Norway ended any hope of reviving Cnut's North Sea Empire; it is because of this, rather than the Norman conquest, that 1066 is often taken as the end of the Viking Age. Nineteen days later, the Normans, themselves descended from Norsemen, invaded England and defeated the weakened English army at the Battle of Hastings.
Railroad operations but in a broad sense all transportation operations
Answer:
He thought they weakened the power of the United States Congress.
Answer:
D. a love letter written to John Adams from Abigail Adams.
Explanation:
A love letter written directly from one person to another is a direct account. All of the other sources are secondary accounts (they are written or investigated by another person).
They were too large and expensive - typically a computer would fill a room and would have to have its own power supply.