D would be the best answer
I'm not sure if any were begun in 1775. The American Revolution was occurring at the time but it started in 1760's the sugar and stamp acts were in 1764 and 1765, While the Townsend act was in 1770. The declaration wasn't even started until 1817.
The shared experiences can dilute traditional cultures.
Modern technology, most notably the internet, has made possible instant communication and the democratization of the availability of information and knowledge. However, as a negative correlate of this fact, modern technology tends to focus on global trends and the cultures where these are originated, making experiences uniform, which can dilute, or at the very least, undermine, the contributions that traditional and non-dominant cultures may contribute to the globalized dialogue that modern technology implies.