3c. Each exterior angle of a regular
polygon is 7.2°. How many sides does
this polygon have?

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.

doctrine that the us had the right to expand throughout north america.

italy:

classic, nostalgic, romantic and beautiful. no place better than italy or sicily.