How can the total fertility rate change?

What event was one of the greatest factors that led to massive emigration from ireland to the united states in the mid—1800s

Jonathan purchases a comic book over the phone. the store does not promise a particular time in which the comic book will be shipped to jonathan. after 40 days, the comic book has not been shipped. do state or federal laws protect jonathan's rights in this case? what is the name of the law? select the best answer from the choices provided. a. federal law; the implied warranty of merchantability b. state law; the implied warranty of merchantability c. federal law; the mail and telephone order rule d. state law; the mail and telephone order rule

Imagine you are driving down the highway and reading a sign that states save the planet don't litter which technique of policy enactment is being used