Not sure about the imperfect tense but to answer the first part
el coche era grande y rojo
مبويهييوثنيوني ننصمييمهي وينطون تريتون صميم وينييو
1. Is Peru´s coast on the Pacific Ocean?
2.Was Paraguay at war with it´s neighboring countries?
3.Did the Incan merchants practice Treque?
4. Does Peru´ and Bolivia both have climate and geografical variety?
5. Is the mining industry important for Bolivias´ economy?
Todos or ellos
todos = all of them
Ellos = them
They are an important connection to the past