How has the pace of development changed through the history of the design?

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

What was one effect of nation industrialization

Which one of the following is true of jamestown? sir francis drake founded the settlement in 1619. o john smith was responsible for introducing tobacco. o black slaves were brought to jamestown in 1619.