PLEASE HELPP! Will give brainlist if real answer! No links please. Explain the historical circumstances that led to the development of use of quipu in the incan Empire. (why did they use/what led to the use of the quipu)

Compose a three-paragraph essay that puts forth an argument about the impact of population growth on the united states. as you write, be sure to include the following sections: an introduction that includes a topic sentence or paragraph that incorporates your argument a clearly stated argument that you will defend at least seven specific facts from the information you analyzed or found in your research for this activity an appropriately formal tone transitions good grammar and proper spelling references to your research in your writing, including direct quotes and appropriate citations a concluding statement or paragraph that incorporates your argument

Why did poland, hungary, and east germany join the warsaw pact? a)their people voted to join in free elections. b)their efforts to join nato failed. c)they wanted to stop the spread of communism in europe. d)they were soviet satellites that had little choice.

From what country did alexander the great begin his conquets?