Imagine that the arable land is scarce then people will compete for land in competition will be big this means that it is more likely to be able to find smaller pieces of land for it is likely that the size of the House and farms will be small
Conflict can arise when people have conflicting goals. It can also arise when power is being manipulated and rules and regulations are not being followed.
Conflicts thus are a clash of interests such as personal motives, racial and political and may be national or international, etc. Hence all the above is correct.