What types of technology were used to help Americans achieve manifest destiny?

Cotton Gin. It increased the production of cotton so more slaves were needed.

Reaper. it increased the productivity for an American Farmer.

Steamboat. It provided faster water transportation.

-helped westward expansion leading to manifest destiny-

answer; the mercertator creation, is the correct answer to the above question; ///good luck

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.