Answer:
Body systems are groups of organs and tissues that work together to perform important jobs for the body. Some organs may be part of more than one body system if they serve more than one function. Other organs and tissues serve a purpose in only one body system.
Explanation:
The word that comes in blank space is "Prejudice".
Prejudice, a full of feeling towards a man or gathering part construct exclusively with respect to their gathering enrollment. we can also define prejudice as it is a biased supposition that did not depend on reason or genuine encounter, mischief or damage that outcomes or may come about because of some activity.
Andrew Johnson was the president who signed the treaty to purchase Alaska from Russia on March 30, 1867.
Answer:
To become the presidential nominee, a candidate typically has to win a majority of delegates. This usually happens through the party's primaries and caucuses. It's then confirmed through a vote of the delegates at the national convention.
Explanation:
Please mark as brainliest