Name the theory involved in the spread of iron​

Arguably one of the most important inventions of the 20th century was a) the transistor. b) air conditioning. c) the vacuum cleaner. d) radio broadcasting.

Whicjudy blume's career as an american writer spans four decades and includes many literary awards. she is most famous for her novels geared toward pre-teens. one notable example is tales of a fourth-grade nothing. however, blume also has had success writing for an adult audience. three of her novels for adults reached the new york times best-seller list. in a 2008 interview blume remarked, "i have so many stories left to tell! " by that time she had written nearly 30 novels. judy blume an exceptionally talented and productive american author. which of the following would be the best title for this paragraph? "future of blume" "forty years of blume" "blume's many awards" "bountiful brilliant blume"h of the following was an effect of the boston tea party?

Capitalism competed with dominance in the twentieth century communism merchantilism free enterprise feudalism