Yes, that was called the constituional convention. The original purpose was to revise the constitution but they ended up making a new one from scratch.
It was added my Thomas Jefferson who wanted to abolish slavery and that all men black white or even tan are created in gods image<span />
The correct answer is extracting silver from the land using slave labor.
Hunting and managing the fur trade was held by the French while food and tobacco was mostly done by the British. The Spaniards extracted silver and gold from the South American continent using slaves, both local and imported, and they gained a lot of wealth from that trade.
Germany's annexation of Austria and continued persecution of Jews at home exacerbated the refugee crisis. As such, there were more refugees to take in than countries would manage.
The Columbian Exchange<span> greatly affected almost every </span>society<span> on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the </span>world<span> human population..</span>