Reread paragraph 7 and 8. What influenced the armed standoff between two rival Native American tribes in Wounded Knee, South Dakota?

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.  

" the king sits next to a crown , which symbolizes his power" is   correct   the king is standing on his feet wearing expensive clothing next to the crown.

"the king is wearing elaborate clothing." is correct. this is a symbol of wealth and   royal power.

the king is not dressed like a soldier but like a monarch.

"the king has a sword but he   sits next to a helmet" is correct.

the king is not sitting on the floor.