There were lots of foreign changes that presented challenges for the US. I'll give you a few examples from different time periods. First would be when England wanted to tax the Americans in the Revolutionary period. They did this to try and restrict America's freedom. Another example would be that Russia had spies during the cold war period. This was to gain intelligence of the US war plans. Also when Germany sent the Zimmerman Telegram to Mexico during the WWII period. This was to get Mexico to launch a surprise attack on the US.
Did you accidentally click history when you asked this question? Not to be rude, but this is a math problem. If it is statistics or something else from past times, then my appologies. I'll be on my way.
This excluded a majority of the population: slaves, freed slaves, children, women and metics (foreigners resident in Athens). The women had limited rights and privileges, had restricted movement in public, and were very segregated from the men.
Answer:
The silk roads was a vast trade network connecting North Africa via land and it was a vast trade network connecting Eurasia and sea routes. Advances in technology and increased political stablitly caused an increase in trade. The silk roads allowed luxury goods like silk, porcelian, and silver to travel from one end of the silk road to the other.
Explanation:
