Answer:
Explanation:
Trade flourished because these progressing empires were developing new ways to produce products and utilize agriculture in their areas, such as Han with silk and Rome with olives and fishing/seafaring. These empires has never had access to goods that were from other areas before the Silk road, causing trade to become immensely popular and relied upon.
The president of the United States of America
Answer:Why do classification systems change over time? When scientist find new species that may have to change classification systems in order to accommodate them. DNA sequencing has also let us find out more about evolutionary relationships. ... This means that scientists have to change the way they classify them.
Explanation:
Answer:
the 19th-century doctrine or belief that the expansion of the US throughout the American continents was both justified and inevitable
Well... Normally the people around the Chinese. (The Europeans) They had a dislike with the Chinese and normally started conflicts with them.