Answer:
d. Launch of soviet satellite sputnik
Explanation:
With the ability to forge iron tools, farming tools were more effective and provided a greater production and effectiveness. More food produced means that more people are able to be fed and consequently establish and work in the land. With a higher population and food cap, West Africa settlements were able to grow.
The Sedition Act of 1918<span> was an Act of the </span>United States Congress<span> that extended the </span>Espionage Act of 1917<span> to cover a broader range of offenses, notably speech and the expression of opinion that cast the government or the war effort in a negative light or interfered with the sale of government bonds.</span>
The National Government could not force the states to obey it's laws.
There originally native from Africa