Answer:
the interior Great Wall stretches from Xinzhou in Shanxi Province, via Hebei Province to Beijing Badaling.
i think it was built to double protect the land and the people.
The Union Army took a series of military actions during the Civil War in which their troops took control of the Mississippi River. Mississippi was the main north-south avenue of transport. In July 1863, the western part of the Confederate states was split from the states east of the Mississippi River. Plan of the Union Army generals was to defeat the Confederacy through blockade of ports and control of rivers. Answer: Union forces took control of Mississippi River because they wanted to cut off the eastern part of Confederacy and to control the supply lines.
