Answer:
If different states had different currencies, things would be more or less expensive, making it difficult to have a stable economy.
Explanation:
If they were to have different currencies were to be different, you could only know how much money a certain state has because it's different.
The government can promote economic efficiency by reducing social security spending and reducing unemployment.
Hope this helps :D
Answer:
The limits on free speech are important because it prevents peolpe from being harmed.
Explanation: The limits on free speech are rooted in the principle that we're not allowed to harm others to get what we want. That's why we're not allowed to use to speech for force, fraud, or defamation.
The right to bear arms falls under the second amendment of the constitution
Answer:
Internal validity.
Explanation:
Internal validity is the study in which trust relationship is build between treatment and outcome. This relationship is known as <em>cause-and-effect. </em>
In this type research, the studies are based on whether the finding is questionable or not. The research which can overrule the possibility of alternative explanations of our findings is internally valid.
The threats of internal valid study are:
- <u>Natural Improvement </u>
- <u>Maturation</u>
- <u>Historical Events</u>
- <u>Placebo effects</u>
- <u>Nonspecific effects</u>.
So, the correct answer is 'Internal validity'.
