Answer:
The Cambrian Explosion!
Explanation:
Sounds exciting right?
WELL IT IS!
The Cambrian explosion or Cambrian radiation was an event approximately 541 million years ago in the Cambrian period when practically all major animal phyla started appearing in the fossil record. It lasted for about 13 – 25 million years and resulted in the divergence of most modern metazoan phyla.
So in your case the answer would be 542 million years ago or the first animals with exoskeletons appear.
The Homestead Act made it possible for millions of people to achieve the dream of owning a house. It made it possible for people to become landowners at little or no cost. This was due to the fact that there was a lot of land which was unaccounted for and many leaders wanted people to own land without owning slaves. The requirements were easy: residency in the United States, 21 and up or head of a family and anyone who had never taken up arms against the United States.
Answer:
Supra-nationalism
Explanation:
Supra-nationalism is the process of nation states organizing politically and economically into one organization or alliance. Supranational organizations are where three or more countries form an alliance for cultural, economic, or military reasons. These alliances are created so states can reach cultural, economic or military goals they may not be able to reach without relying on one another.
The European Union (EU) is an example of a supranational organization that was created for cultural, economic and security reasons. Member states joined together and created foreign and security policies, mutual rights for citizens, and combined the politics and economies of the member states
The cotton gin lead to the spread of slavery because the invention (by Eli Whitney) allowed the cotton seeds to be taken out by machine rather than by hand. This meant that more slaves had to grow and get the cotton to bring to the cotton gin, which meant that the whites had to buy more land and more slaves.
Answer:
Signal lights have an important safety function. They demonstrate deceleration and a change in direction of the vehicle, and make the vehicle more visible to other road users when it is dark or during poor visibility.
Explanation:
