In the Paul revere’s ride why does the author use the word tread in lines 24,27 and 40

Which of these were true of the sandinistas? select three options.they were led by daniel ortega.- they created the somoza dictatorship,they received aid from the ussr.they received aid from the u.s.they supported revolutions in el salvador.

Which of these belongs to the united states after the spanish american war ?

What are contributions made by rene descartes