Go and click to the invitation bar and you can find an option written as " search friends " . Then it's easy to find that unknown user if you're pretty fond with his/her username and DP ( display picture ).
Answer:
to promote international cooperation
to help uphold peace between countries
to provide collective security for its members
Explanation:
That is true. <span>John Deere became famous for his invention of the mechanical reaper.</span>
Answer:
Transistors
Transistors. The onset of the Information Age can be associated with the development of transistor technology. The concept of a field-effect transistor was first theorized by Julius Edgar Lilienfeld in 1925.
