I would say B. Also C makes since too.
Answer:
A variety of measures of national income and output are used in economics to estimate total economic activity in a country or region, including gross domestic product (GDP), gross national product (GNP), net national income (NNI), and adjusted national income (NNI adjusted for natural resource depletion – also called as NNI at factor cost). All are specially concerned with counting the total amount of goods and services produced within the economy and by various sectors. The boundary is usually defined by geography or citizenship, and it is also defined as the total income of the nation and also restrict the goods and services that are counted. For instance, some measures count only goods & services that are exchanged for money, excluding bartered goods, while other measures may attempt to include bartered goods by imputing monetary values to them.
An example of cyber bulling is teasing and or making fun of people online.
It is also forbidden on Brainly
<span>The Americans were surprised and worried that the Russians
were successful in their space program.
It prompted the Americans to speed up their own missile and space
programs. Agencies such as National Aeronautics
and Space Agency was created in July 1958 and the Defense Advance Research in
February 1958 and other related institution were given $100 million budget by
congress to expand their research in space missile projects. This also heightened the Cold War as both
sides now competed as to who would be able to be successful in space
exploration.</span>
