Ryan read 145 pages of his book. if he read 29 pages every night, how many nights take him to complete the book?

It took Ryan 5 nights to complete the book

It will take him 5 nights to finish the book.

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years