“globalization” interchangeable with “Americanization”

1) Is the term “globalization” interchangeable with “Americanization”? Why or why not? Think specifically back to aspects of culture (e.g. food, clothing, music, media).
2) Has social media contributed positively or negatively to social movements? Why? Think specifically about globalized social movements (such as Black Lives Matter), and the rise of “slacktivism.”