Answer:British officials reserved the land west of the Appalachian Mountains for American colonists.
Explanation:
They issued the Royal Proclamation of 1763, which declared the boundaries of the thirteen colonies as the Appalachian Mountains.
According to Albert Barnes, their mistake was that they didn't speak against slavery. Although many of them believed that slavery was against god and against the idea that god made everyone equal, they didn't do much against it out of many reasons, either they thought it was a necessary evil or they were afraid of the public reaction.
Jefferson’s listing of abuses and violations of basic rights and clearly aimed at the King of Britain and his monarchy. The Declaration brought recognition of these injustices to every citizen, and hence, justification of the American Revolution
<span>Industrialization made it possible to develop new technologies in warfare like create more advanced guns, planes, ships, bombs, and similar things. Countries were richer so they could invest in militaries, and the machines made everything more precise and better which resulted in a stronger, more developed military overall.</span>
2. Families and individuals in could obtain land in in the West for little or no cost.