Answer:
Spreading their (the conquering nation's) religious beliefs to others in different countries
Explanation:
<span>Lincoln's greatest fear politically was that he would be the last president of the United States of America--that the Confederate states would win their war for secession and that the Republic would collapse into a collection of micro-states.</span>
irrigation allows water to flow through and around crops
<span>Early farmers who cultivated crops and domesticated animals.</span>
If you really think about it is Everything from what you eat how you dress and even religion.