Answer:
unknown diseases, the wilderness, and winter
After the split from the supercontinent, the individual continents underwent a number of changes of their shoreline. For example, the constant flow of water "smoothed" the surface, which meant that in some parts the land decreased (was washed away by the currents) and in other parts the land increased with the accumulation of the material that the currents brought.
This changed the shape of the continents in a way that they no longer "fit" together perfectly.
Explanation:
The purpose of Hay's notes was to grant all the major powers equal access to Chinese trade and reduce the influence of countries that already had an especially large hold in China (such as Japan and Russia) so they couldn't force other countries (particularly the United States) out of the Chinese market.
The Quartering Act of 1765
<span>) The population has increased because of the immigration and slaves.
2) The population grew in leaps and bounds, primarily through immigration.
3) Roads, waterways, railroads, steam boats, and refrigerator railroad cars.
4) * Changes in transportation played a big part in the change of United States.
* The change in the industry such as more factories being opened.
* Many women had made progress in doing things that men would usually do.
* Changes were made to the Constitution.
5) The 14th Amendment had defined a citizen as "any person born or naturalized in the U.S." The 13th Amendment abolished slavery, and the15th Amendment prohibits the right to vote to someone due to their race, color,or servitude. </span>