You have to give me the full sentence or just ask the question better so I can help you
Answer:
regular childhood vaccination
good sanitation
availability of medical care and treatment
Explanation:
The United States controls and prevents the spread of diseases in many ways. One of which is "regular childhood vaccination." This is considered to <em>be the most effective way. </em>There are about 10 vaccines that are recommended to kids.
The USA also follows<em> good sanitation</em> which includes<u> potable drinking water supply</u> available to most people and <u>having enough sewers were wastes are expelled.</u>
<em>Medical care and treatment in the USA is more advanced than other countries.</em> This is the reason why some people seek treatment in the USA when their disease is also more advanced and debilitating. <em>The USA has specialized facilities </em>catering to different kinds of diseases and their corresponding treatments.
The answer is destroying the kangaroos food
The origin and wave of political independence that swept across Africa first began in the early 1950's. <span>The </span>African Independence Movements<span> took place in the 20th century, when a wave of struggles for independence in European-ruled African territories were witnessed. European powers like the British, French, and Portuguese slowly decolonized their territories during the mid 20th century.</span>