Which technological advancement used a magnet to improve directional accuracy
a. sextant
b. compass
c. mercators projection
d. astrolabe

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.

c. had saved colonel cresap's family from attack by other native americans.

the eop relieves the president of the duty of serving as commander in chief. the also eop reduces the president's ability to appoint staff and advisers.

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