For what ideas might a country be willing to fight?
plz explain in 3-4 sentences

For the expansion of their national territories, their natural supply of natural resources, more global control over other areas or countries, and the removal of something one feels or deems as wrong or bad

The country may want economic gain.  Territorial gain Is a big idea to dwell on, for this is the reason most countries have fought back then.  Religion related wars can relate to today and in the past. and lastly revenge from previous experiences.

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:

because mexico wanted to choose a centralized location