Hurry due today brainlest and points rewarded

Which four of these developments were made under mongol rule during the pax mongolica? the extension of the grand canal in china the spread of christianity the spread of weapons that used gun powder the invention of new medicines the establishment of a postal system the invention of geometric models of lunar motion

Identify casue and effect in this unit you learned about several issues that were resolved by compromise during the constitutional convention. create a graphic organized like the one below and use it to show how the compromises affected framework of the new government (the graphic organizer is just 2 columns and one says compromises and one says effect and 3 boxes on each side)you so much!

What was new about the writing system developed by the phoenicians, and why was this important to the growth of knowledge and spread of ideas?