You know an economist has crossed the line from scientist to policy adviser when he or she Group of answer choices
a. makes normative statements.
b. claims that the problem at hand is widely misunderstood by non-economists.
c. talks about the evidence.
d. makes a claim about how the world is.

a. makes normative statements.

Explanation:

In Economics there are two type of statements: positive statements and normative statements.

Positive statements describe an aspect of reality, while normative statements try to establish what ought to be about an aspect of reality.

For example, a positive statement is: the inflation rate is 4%.

While a normative statement is: the inflation rate should be between 3% and 4%.

When an economist uses normative statements, he is not only a scientist, but a policy adiviser as well, because he is using his knowledge to recommend actions that affect society, and that are political.

the correct answer is:

it required the president to inform congress within forty-eight hours of any new troop commitment.

the war powers resolution (1973) is a federal law designed to limit the u.s. president’s ability to initiate or intensify military actions abroad without the approval of the congress.

it establishes that the president can send armed forces into action abroad only by declaration of war by congress, statutory authorization, or in case of a national emergency created by attack upon the united states, its territories or possessions, or its armed forces.

it requires the president to notify congress within 48 hours of sending armed forces to military action.