Anasazi
They built their dwellings around mounds in order to make it easier to see the enemy coming from any direction. Such constructions also aimed to slow down an enemy attack by making it hard to attack given that they had to march uphill.
From Siberia, they went over a land bridge from Alaska. Or, Asia and Africa. Hope this helped!
China tried to make a transition agricultural to industrial
economy during this period. However, the production marks fell short and it
resulted into economic crises as crops failed and floods threatened the
countryside. They fell back to
agriculture to solve the problem.
The First Battle of Bull Run (also known as the First Manassas) was fought on July 21, 1861. It was the first major battle of the Civil War and resulted in a Confederate victory.
