Answer:
Quasi-natural experiments, by contrast, do not involve random application of a treatment. Instead, a treatment is applied due to social or political factors.
A market economy limits what companies can do or sell and keeps individual rights intact.
Answer:
Ultimately, the Articles of Confederation failed because they were crafted to keep the national government as weak as possible: There was no power to enforce laws. No judicial branch or national courts. Amendments needed to have a unanimous vote.
Good luck !
I'd say Yes, but no at the same time. Because the Islamic's wanted to expand onto Christian Territory so there was always a tension, with the crusades and all. For The Holy Land!
The crusades were also called the holy wars
Hope this helps :-)