What did olmstead, otis, sullivan, and roebling have in common?

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.

Those who resisted the mongol invaders were attacked and their towns burned; those who cooperated with them also were attacked and had their towns burned. were treated fairly. were taken into the tribes and treated as mongols. were sent away to find new homes.

What major land feature is located at 0* and 20* e? a sahara desert b kalahara desert c congo basin d the alps