The greek word theatron forms the root for our word

Theatre

Explanation:

In English, many of the words that we use come from ancient Greek and Latin words. This legacy can usually be seen in the "roots" of words. A root is a portion of a word from which other words grow when we add prefixes and suffixes. In this example, the word "theatron" is a Greek word that forms the root of the English word "theatre."

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: