California
California joined the Union as a free state.
Answer:
D. Guidelines for how many people are needed for an area to become a state.
Explanation:
<span>the emergence of the middle class</span>
Donald Trump in the United States of America.
Answer:
a comet
Explanation:
When far from the sun, a comet is like a stone rolling around the universe. But when it approaches the sun, the heat evaporates the comet's gases, causing it to emit dust and microparticles (electrons and ions). These materials form a tail whose flow is affected by the sun's radiation pressure.
