What is the top office in the White House? Who is that current person? it's for my civic class

What is intervention ? in government terms

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

Tim oxide reacts with the hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grains of sn