PLEASE ANSWER ASAP!! what changed in 1492 that enabled foods to travel to different area?

What were copernicus’s ideas about the order of the universe deemed to be dangerous to church thinking? (5 points) a.the church was invested in the idea that the earth was at the center of the universe b.copernicus was developing a new religion that would challenge the church c.the church feared his ideas threatened their control of european universities d.copernicus was a follower of luther and therefore could not be trusted

How does wards description of the roman government compare to polybius description in sorce 1 and millars description in source 2

Should the united states have continued to fight in the vietnam war after 1968?