The correct answer is "South Vietnam fell".
Vietnamization was a policy implemented by President Richard Nixon to progresively terminate with the participation of the US in the Vietnam War. The program goals were to equip and train South Vietnam forces so that they would take the leading role in the combats, releasing US troops from those responsibilities.
In the end the program was a failure as it could not prevent the fall of Saigon, the capital of South Vientam, in 1975, and the subsequent unification of North and South Vietnam for the creation of the Socialist Republic of Vietnam.
B. create a single regional economy among it's members.
There are many individual and group attitudes and behaviors that can assist a community in maintaining environmental cleanliness.
<h3 /><h3>How to develop sustainability?</h3>
In a community, the set of actions of each individual will correspond to the way in which the environment is preserved. For this, it is essential to develop a sense of responsibility and union of individuals for the correct disposal of waste and use of natural resources for example.
Therefore, the promotion of sustainability is an issue that will help in cleaning and protecting the environment.
Find out more about sustainability here:
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Well if your adding it, it would be 7.419 had to fix it