I think its C , Disagreements between Indians and colonists about land use and ownership
Answer:
Communism on paper is good but in practice.. meh not really.
Explanation:
The Soviet Union, Vietnam, China, and Cuba advocate Capitalist policies because they can make more money off of that. True Communism, such as Marxism would be unrealistically hard to pull off in actual society. This means no one should move up the social ladder as that would go against the ideals of Communism. People are naturally ambitious, which would be a problem with the economics of true Communism.
It was primarily "land reform" that most infuriated United Fruit and led to a CIA undercover mission to remove him from power, since he "nationalized" the land which greatly undermined US interests and profits.
The correct answer is water and nutrients..
Ground sensors, but are actually soil moisture sensors. These are widely used to perform automatic readings often connected to the internet. With easy access to moisture information, as well as constant collection, the security of this information is much greater.
Therefore, to know soil moisture quickly, using soil sensors is a relatively inexpensive way to obtain this information. Although not as common as they could be, ground sensors have already been employed in the field by farmers who are concerned about producing with much more control.