B because this was the most unesscary thing EVER
Top level management is the highest level in an organization.
D. They secured the U.S. border of the Oregon Territory by negotiating a treaty with England.
From the 1820s through the 1850s American governmental issues moved toward becoming in one sense more just, in another more prohibitive, and, by and large, more divided and all the more adequately controlled by national gatherings. Since the 1790s, legislative issues turned out to be more majority rule as one state after another finished property capabilities for voting. Legislative issues turned out to be more prohibitive as one state after another formally rejected African Americans from the suffrage. By 1840, every white man could vote in everything except three states (Rhode Island, Virginia, and Louisiana), while African Americans were prohibited from voting in everything except five states and ladies were disfranchised all over the place. In the meantime, political pioneers in a few states started to restore the two-party strife that had been the standard amid the political battles between the Federalists and the Jeffersonian Republicans (1793– 1815). Gatherings and gathering struggle wound up plainly national with Andrew Jackson's crusade for the administration in 1828 and have remained so from that point forward. Gatherings named possibility for each elective post from fence watcher to president and battled valiantly to get them chose.
Hey there! Your answer is: A. They were all physicists working on proving the existence of electrons
