An economic model:.a) applies economic theory to understand real-world events. b) is so abstract that it cannot be applied to real-world events. c) can be used only to understand free markets. d) is an action taken to influence the course of economic events.

the first two-party system consisted of the federalist party, who supported the ratification of the constitution, and the democratic-republican party or the anti-administration party (anti-federalists), who opposed the powerful central government, among others, that the constitution established when it took effect in

u idek                                                                                                                                               /

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.