Well let's take this apart. So, we use technical for logic or many of the devices such as computers, phones, etc that we use today. Now, dilemma is when something is malfunctioning or not working properly. So when we put them together, technical dilemma might mean that you are having a difficulty with your electronics or a technical difficulty. Hope i helped!
D. The American economy soared as a result of the war.
Polygamy began to end when agricultural development and settling got introduced. During the nomadic non-agricultural period, polygamy was common and people were not tied to a single person.
The correct answer is in this case Several
Several is indefinite because it doesn't point to a precise expedition to the polar regions.
