Why were tool-making and language important for the development of human culture

Why were tool-making and language important for the development of human culture?

Yes tool making and language were important for the development of human culture, they were important because language allows early humans to communicate with each other and with other tribes. This can start trades and exchange of cultures. Tools were important because they Helped early humans hunt, gather and build. Tools also made the early humans walk in a bipedal manner. This is so because the early homininds needed 2 free hands.