Yes, it is true that some <span>countries have very strict requirements for citizenship, and some have very loose requirements, since this is an individual decision made by the sovereign state. </span>
Florence was the site of many economic developments. It was witness to new systems of taxation and borrowing during the Middle Ages and the Renaissance. Trade was a major source of economic success. Moreover, industry was strong due to the implementation of craft guilds. Florence was not dominated by royal courts, like other states. Instead, it was a republic with an elected government. This made the city more frugal in taste, which also meant that the behaviour of people in terms of wealth accumulation and saving was more moderate and humble, contributing to the thriving economy.
The correct answers to these open questions are the following.
Although you did not include any context or reference, we can help to answer in general terms.
I believe some of the results Europeans never expected was the death of almost 80% of the native Indians in the Americas due to the many new diseases brought by the European colonists. We are talking about diseases such as smallpox, chickenpox, malaria, cholera, influenza, among many others.
New World slavery could be said was related to the Columbian Exchange in that it was part of the Atlantic Slave trade in which African slaves were transported in unhealthy conditions to the Americas and were sold to landlords. Historians consider that approximately 10 million African slaves were sold to landowners in the American territory.
Historians try to understand the past so don't ask what happened. Ask why it happened. Ask why that's the reason that it happened.
In 1813, Santa Anna fought in the battle of Medina