The building of temples and great cities without modern machinery, using astronomy to predict astrological cycles and plant crops and using their language to communicate and measure time are some of the Mayans most notable achievements.<span> During a 600-year period of time, which was from 300 A.D. until 900 A.D., the Mayans made many great achievements in science, communications, engineering and agriculture.</span>
A) they had alliances with eroupeian to send out expesetions
<span>The Roman Catholic Counter-Reformation was intended to fight back against the Protestant Reformation: to reform and strengthen the Catholic Church against this great Protestant threat, partly by purging itself of the corruption and quesitonable practices that had given rise to the Proetstant Reformation in the first place. </span>
