In the cartoon, what does Uncle Sam want to do Why might he be dressed in work clothes?

In a case in which uncle sam uses work clothes he is inviting the public to join the labor force because it is a priority to be satisfied.

Explanation:

Two main reasons back to this answer. First of all, Uncle Sam is a military Icon that has been associated with the phrase "I want you" or in other words, "I need you". In the war he was used as a tool to motivate people to fight for their country in different roles. In this case he motivates them to join the workforce, an example of this is the yellow girls. They were famous for helping make missiles during the war and ended up yellow as a cause of the phosphorus.

a complex sentence consists of an independent clause and one or more dependent clauses.  

to write complex sentences, we must use subordinating conjunctions.  

all the complex sentences begin with a subordinating conjunction and when it occurs, a comma must be place at the end of the dependent clause. on the contrary, if the sentence begins with an independent clause, then no comma is used.

after  

although  

as  

because  

before  

if  

since  

when  

for example,  

after she won the competition, she became very popular.  

although my father was hurt, he continued fighting for his rights.  

as all of you got a ten, you will be able to leave early today.  

before he went to the war, he asked his parents to bless him.  

if it is cold, i won’t go out.  

since you didn’t bring the homework, you will get low grades.  

when it is hot in the town, everyone goes to the beach.  

harlem's  cotton club boasted the talents of duke ellington. singers such as bessie smith and billie holiday popularized blues and jazz vocals. jelly roll morton and louis armstrong drew huge audiences as white americans as well as african americans caught jazz fever.