Mathematics, mostly.
They also did groundbreaking work in the following fields:
Astronomy
Philosophy
Geography
Sciences
Technology
Answer:
a secondary group is like emploment and a primary group is a pesonal group
Explanation:
Answer:
specify what train. probably bad tho.
Explanation:
The world saw Europe's involvement in the silver business as a strategy to enrich the old world countries, to improve the work. The world saw Europe as those who wanted to exploit these riches. Europe, for its part, had the vision to explore in order to invest.
It is A. empires that accepted the tribute from states for protection
