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.
Answer:Over-estimated, under-estimated
Explanation:
When people first meet they tend to overestimate their feeling because they are still extremely physcally attracted to one another and the reality of how the other person is like has not really surfaced , they are still in a phase where they want to please each other and impress one another. When these goofy bumps and butterflies are all gone and the other person start to show who they are everyone start to realise they might have been more in-loved with the idea of what the other person is hence they overestimated their feelings.
However the opposite occurs when people break up , they tend to focus more on the negatives and ignore the positives and when it a over it sinks in and they start to realise that they might have loved the person more than they imagined.
I believe the answer is: <span>separation anxiety.
</span><span>separation anxiety refers to the negative emotion that an individual felt when they're separated from the people to whom they have a strong emotional connection with. This is very common among infants between 6 - 18 months year old when they're separated from their primary caretakers.</span>