Some countries didn't have stuff that other countries had, so they used to trade to grow their community and for their people to survive. Trading was important to have all their goods they wanted.
The two criteria of abnormal behavior are subjective discomfort and inability to function normally
Subjective discomfort is one sign of abnormality when the person experiences a great deal of subjective discomfort or what we call emotional distress while we engage in a particular behavior.
While inability to function normally is a behavior that does not allow a person to fit into society or function normally can also be called and labeled as abnormal.
First of all, if you don't feel comfortable telling them, then tell them that it's a personal question.
On October 4, 1957<span>, when the </span>Soviet Union<span> successfully </span>launched Sputnik<span> I. The world's first artificial satellite was about the size of a beach ball (58 cm.or 22.8 inches in diameter), weighed only 83.6 kg. or 183.9 pounds, and took about 98 minutes to orbit the Earth on its elliptical path.</span>