Tight Feeling in Throat. A tight feeling in your throat can be very uncomfortable. This can also be an alarming sensation if you are unsure what is causing it. Different causes can cause a tight feeling in the throat to appear intermittently or constantly.
The origins of civilization can be traced to a group of people living in southern Mesopotamia called the Sumerians. By c.3500 BCE, the Sumerians had developed many of the features that characterized subsequent civilizations.
The first civilizationthere was based in city-states. Ancient Civilizations over Time Some of these ancient civilizations lasted only a few hundred years, but others lasted morethan 3,000 years. Earlier civilizations often had influence on later ones that shared the samearea. The civilizations shown here did not all develop in isolation of each other. Trade linkedsome.