Answer:
Appalachian Mountains
Explanation:
Appalachian Mountains were widely known for their extension between the region of Newfoundland and Labrador in Canada to central Alabama in the United States. They span about 3,200 kilometers, and the study shows they have been existing since more than 400 million years ago, during the period known as Ordovician period.
Hence, based on the information in the question, the right answer is option A. Appalachian Mountains
In 1975, Saigon, the capital of US-backed South Vietnam, fell to Communist-ruled North Vietnam two years after the withdrawal of the American military which had been in the country for 19 years.
Hope this answers your question
OC. It strengthened their belief in manifest destiny
He can from a poor Zapotec Indian family and was orphaned at 3 years old. Past rulers Santa anna came from a rich creole family.