Which of these were achievements of ancient indian civilization
a. development of ayurvedic medicine and philosophy

b. use of zero and advancements in ironworking

c. determining the length of the year and in the use of pi

d. metallurgy and the invention of the compass

A would be your answer...I did this test

Explanation:

these the citzens and goverment come to terms some of the amendments gave the states more power then the goverment and some protocted americans rights

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.