What are some design elements that the religious structures from Islamic, Romanesque and Gothic architecture share? What
are some design features that separate these 3 eras of
architecture in terms of aesthetics?

The characteristics that distinguish a work of architecture from other built structures are (1) the suitability of the work to use by human beings in general and the adaptability of it to particular human activities, (2) the stability and permanence of the work's construction, and (3) the communication of experience

Explanation:

b: the establishment clause  

b: socialism  

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration