What is the vote to end a filibuster called?

Social mobility: social mobility refers to our chances of moving up or down within the american class structure. what do you think is the most important factor that leads to upward mobility? and why do you feel that way? race or ethnicity gender social class at birth hard work and education

How did ancient civilizations develope its agriculture and protect its population

'nepal have varied vegetation as climate and landforms'. justify the statement