Which major change took place in nigeria in 1999?

The development of humans was directly dependent ondevelopment of a language. development of communication between people. e development of tools. litdevelopment of the wheel.

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

The people of the arctic lived in blank during the winter, while subarctic peoples blank