Since medieval guilds were unions made up of working men, the correct answer here would be 'labor unions'.
Answer:
B
Explanation:
Colons are used to add onto a sentence without making it a run on or changing the subject.
My academic goals for this year are to logging into infinite campus on time for my classes and turning all my work in on time. My two other goals consist of working towards good grades and getting my GPA up to or close to 4.0.