Please help!!

how did American civilizations develop means of communication​

In a planned economy, which of the following does the job of market forces in order to determine the outcomes?

Which of the following would one might expect to be a characteristic of an edge city? (1 point) i. tenement housing ii. office parks iii. stable infrastructure iv. ghettoization i only iii only i and iv ii and iii iii and iv

The fact that were was no national military under the articles of confederation was a weakness in which area of government? a.)legislative b.)judicial c.) administrative d.)economic