Why were american optimistic about the future in the 1920

They were optimistic about the future of 1920 because in 1918 and in 1919, they were facing flu which killed many people. They thought 1920 would be very bad or if a vaccine would come out. TH\hey were optimistic of the fact that if the flu would continue to spread or would it stop.

Explanation:

"What will they think of next!” was a 1920s saying, because new things were continually coming out. And there were new things which you could enjoy, not just for the few. So it was a period of high hope.

Explanation::

every society, in order to meet the needs of it's people, has to answer three basic questions:

- what should we produce?

- how should we produce it?

- for whom should we produce it?

this questions must be answered in order to, option b, aid in production decisions.

every country can't produce everything, no matter how rich their land is. it may be a matter of technology, resources or geographical conditions. so, these three questions must be resolved in order to get the most of the production of each land.

hope this !

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.