Gives Congress the power to take all actions "necessary and proper" to the carrying out of its delegated powers.
Answer:
B
Explanation:
In the American election campaigns in the 19th century, "waving the bloody shirt" was a phrase used to ridicule opposing politicians who made emotional calls to avenge the blood of the northern soldiers that died in the Civil War.
The correct answer should be the third one you listed. The "current drag" then is a device that is used in order to measure the sub-surface currents. This device and the measurements it provides are extremely important for the field of oceanography which studies the aspects of the oceans both the physical and the biological ones.
song dynasty in china had two parts: first part was the "north song" dynasty. it ruled most of china n time was good. it followed long time of civil wars n ppl were tired of wars. so the emperor consolidated his power n ruled over a large n stable empire.
but it grew weak n was attacked by enemies from north. it lost most of its northern territories n ruled only southern china. it was called the "south song" dynasty. due to limited resources, time was tough. it had to maintain a large army to protect against the north which required heavy taxation of ppl.
