Explanation:
In a federal system, power is shared by the national and state governments. The Constitution designates certain powers to be the domain of a central government, and others are specifically reserved to the state governments
The correct answer is - D) the development of steel tools.
This early societies managed to have complex economies because they invented and started using the steel tools. This types of tools enabled them to create more, to significantly widen the spectrum of what they can produce and the quality of it. That gave them an advantage in trade too, so their economies were prospering and over time became complex and strong economies.
Answer:
Determine the type of person you introduce to the reader. One hero can belong to two or three types. ...
Describe the person you've chosen. To do so, use various adjectives as his or her traits.
Turn to the plot of the chosen story. Focus on the main conflict.
Explanation: