Quais são as características de Constantinopla que nos permitem considerá-la uma cidade importante na época?

Which of the following was a similarity between classical mesoamerican and south american civilizations ?

What does the document of the birtish octopus is an uderlying cause of the world war 1

What event started the space race and made americans feel their security was threatened a.) alan shepard's suborbital flight. b.) the launch of sputnik c.) the launch of explorer d.) the cuban missle crisis