What was the primary building material of the southern region of Mesopotamia during ancient times?

The materials used to build a Mesopotamian house were similar but not exact as those used today: mud brick, mud plaster and wooden doors, which were all naturally available around the city, although wood was not common in some cities of Sumer.

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation: