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.

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation: