what was the most significant motivating factor in the spread of ideas and products? (climate change, religion, trade, geographic factor)

My Answer would be Climate change.

Explanation:

Because You see on the news and Nature TV shows about climate change all the time and the scientists are always looking for new ways to improve climate change to slow it down and make the atmosphere less hot.

consider an orange peel: if you want to try and lay it flat, you have to stretch it, we know exactly how things are being stretched or squashed at any given point. we have many different map projections because each has different patterns of some projections can even preserve certain features of the earth without