Industrialization, advance in technology
<span>(1 Italian city-states in the Renaissance were republics led by powerful merchant families
</span><span>(3 Renaissance cities were centers of commerce and craftsmanship.
Early renaissance city-states were always considered to be really unstable and dangerous because it was the early period where society have to live without direct control of the Strong Central Government. But the people in this region started to developed when commerce and craftmanship improved and invite a lot of trades which led to improvement in economy.</span>
The Americans had little to no training and very limited supplies.
This is correct because, well, this is how it went down in history lol.
Good luck!
-RxL
That they could continue to own slaves
"promote the general welfare" is the statement among the following choices given in the question that is best considered a statement of the public interest. The correct option among all the options that are given in the question is the first option. I hope that this is the answer that has come to your desired help.