It was also known as the stone era, so people started with stone tools then.
Answer:
Carnegie co-founded his first steel company, near Pittsburgh.
Explanation:
I believe the answer is D. <span>It united many different European kingdoms under a shared religious culture.
When roman empire falls, the fragments of what used to be territories formed their own kingdom/Governance.
and even though the kingdoms/governance are now separated, they still held into their religious Christian traditions as some sort of guidance in their life</span>
The correct answer is true
General George Marshall contribution during World war II according to the passage is he served as a chief of staff of the US Army. He also helped train US soldiers and airmen in modern warfare in their time. He also manage in the development and procurement of the weapons to helped advance the weaponry of the US Army.
