1 bows 2 clubs 3 spears ( sorry if I'm wrong )
Bow and Arrow~
All of the early helicopters were developed during WW2
The Union navy was mostly used to blockade principal southern ports
Poisonous Gas
the first ever mass produced tank was developed and used near the end of WW1
The United States and the Soviet Union developed the ability to completely destroy each other.
during the woodland
during the woodland
1
deer
A mass culture developed that made consumption patterns more uniform across the country
they are a sleep at night and awake during the day
A 12-month calendar was developed during the Shang Dynasty.
im not sure
im not sure
During World War I.
The Longshan culture developed after the Yangshao culture in China during the late Neolithic period, around 3000 to 2000 BCE. The Longshan culture is known for its advanced pottery techniques, including the use of potter's wheels and black pottery. They are also recognized for their highly stratified society and walled settlements.
The feudal system developed during the Zhou dynasty.