A net population decline resulting from an "excess of deaths over births".
Option: A
<u>Explanation</u>:
Demographic transition is a shift from higher to lower level of fertility and mortality.Rapid development in industrialization and urbanization in 
century resulted into enormous population growth. But decline in early 
century covered many reasons like consequences of two calamitous wars, where Europe suffered large population declination due to battle death and civilian causalities in World War I and II. Hence the acceleration of population growth in 19th century but downfall in 20th is also considered as balance.
3.Sea level
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Digging and chopping similar to the pickaxe.
Here is the answer to the question above. The United States assist non-Communist nations in economic recovery in the wake of World War II through the MARSHALL PLAN. The Marshall Plan is <span>an American initiative to aid Western Europe. This is when the United States gave over $12 billion. Hope this answers your question.</span>
