Answer:
The Columbian exchange, also known as the Columbian interchange, named after Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries.
Tenement apartments at the beginning of the twentieth century were
spacious but crowded.
small and dangerous.
crowded but safe.
renovated and spacious.
The answer is B) autocracy.
rep. gov. would be a democracy
oligarchy has multiple rulers