<span>A researcher who would like to examine whether children who are high math achievers have better memories than do low math achievers should use a correlation design. A correlation design enables the person to find the connection between two different parties, assign variables and research the possible truth and from here, they can derive results.</span>
Answer:
1 is boom, i think 2 is abolish, and 3 is most likely underground railroad
Explanation:
for number 2 - "The cotton boom and the resulting demand for slaves brought increased danger for northern free blacks: the possibility of being kidnapped and sold into slavery in the South ..".
The way he handeled his leadership, he was a dictator, he too much power for himself.
He united the country under Moscow and became the 1st monarch of Russia by joining all the small Russian principalities together.
This would most likely be separation of powers, or basically talking about how the powers in the US government are separated with the three branches of government. This is talking about how the President, or executive branch, deals with foreign things, Congress, or the legislative branch, can pass new laws, and the Supreme Court, or the judicial branch, can decide cases.
