<h2>
Who were they</h2>
The Texas Ranger Division, commonly called the Texas Rangers and also known as "Los Diablos Tejanos—the Texas Devils", is a U.S. statewide investigative law enforcement agency with statewide jurisdiction in Texas, based in the capital city of Austin.
<h2>Purpose</h2>
Stephen F. Austin, known as the Father of Texas, employed ten men to act as rangers to protect 600 to 700 newly settled families who arrived in Texas following the Mexican War of Independence.
Answer:
Explanation:
1)Exchange of foods an animals had a dramatic impact on later societies.
2)Over time, crops native to Americas became staples in diets of Europeans.
3)Foods provided substantial nutrition and helped people live longer.
positive-European/African foods introduced and American food to Europe/Africa.
negative-Native Americans and Africans were forced to work on plantations. Diseases were also exchanged!
They are important to grow crops and graze livestocks. It's the one of the most important sources of food for Russians, Ukranians, Kazakhstanians etc.
