Among the key changes brought by the Hart-Celler Act: Quotas based on nation of origin were abolished. For the first time since the National Origins Quota system went into effect in 1921, the national origin was no longer a barrier to immigration.
<span>--protect themselves from their enemies.</span>
Ida Tarbell was the muckraker, she was specially known because of the status she had at time
Realmente no entiendo la pregunta, pero estoy bastante seguro de su tabaco.
The correct answer is 2. They didn't have the ships and navigation skills to travel around Africa to Asia.
The Age of Exploration was only possible as a result of new technology, that is, the inventions of new ships such as caravels or the extensive research of navigation by individuals like Prince Henry the Navigator. These two factors allowed explorers to count on further reliable means of transportation and a better understanding of the geography as well as conditions they would face during their expeditions.