What evidence supports the idea that both the maya and aztec civilizations were influenced by an older civilization. select all that apply.
a. ball courts
b. calendars
c. floating islands.
d. roads
e. terraced fields

Which of the following problems did shays rebellion show about the articles of confederation? a. there was no federal standing army b. states couldn’t create their own tax laws c. the federal government imposed too many taxes on states d. there was too much federal regulation of interstate commerce