Which is an example of a reason why historical interpretations may change over time

During what century did muhammad recieve his first revelation from god

What project establish leonardo da vincis reputation as a creative and talented engineer

Which instance of political expression would be considered symbolic speech? a. a student wearing all black to call attention to political issues b. a candidate for congress giving an interview to the media c. a demonstrator chanting anticorporate slogans outside a company’s headquarters d. a local citizen speaking up at a town hall meeting