What do you consider to be the greatest achievement that the United States has performed so far?

How did charles v and philip ii expand the spanish state? they united separate spanish kingdoms into a unified state. they supported protestant rebels in the netherlands. they carried on a successful war against britain. they fought wars and tried to expand catholicism.

What was one of the accomplishments of the space shuttle that what was one of the accomplishments the space shuttle that facilitated communication and entertainment ?

In the united states, the government creates laws and regulations that business activities to prevent wrongdoing.