Colorado Parks & Wildlife Research Library

In March 1846, about 4,000 U.S. soldiers arrived at the Rio Grande. According to the U.S. claim, this river marked the southern border of Texas. But the area was actually controlled by Mexico. Mexico's leaders were upset. They believed the United States had invaded their country. Building Our Nation is a series of AV2 media enhanced books. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks,...

When Texian leaders began making plans for Texas to become a country, they gathered in a place known as Washington-on-the-Brazos. On March 2, 1836, they issued the Texas Declaration of Independence. It stated that Texas was no longer a part of Mexico. Find out more in The Texas Revolution, a title in the Building Our Nation series. Building Our Nation is a series of AV2 media enhanced books. A unique book code printed on page 2 unlocks multimedia...