1.read this passage from the gettysburg address. what does lincoln mean by the phrase  unfinished work? it is for us the living, rather, to be dedicated here to the  unfinished work  which they who fought here have thus far so nobly advanced. it is rather for us to be here dedicated to the great task remaining before us—that from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotion—that we here highly resolve that these dead shall not have died in vain—that this nation, under god, shall have a new birth of freedom—and that government of the people, by the people, for the people, shall not perish from the earth. the dead soldiers did not live to see the outcome of the battle of gettysburg. the citizens of america will never be free from slavery. the dead soldiers had not completed their missions in an honorable way. the task of preserving the union has not yet been accomplished.

The task of preserving the Union has not yet been accomplished.

Explanation:

Abraham Lincoln's famous "Gettysburg Address" is a speech given on the occasion of dedication of the Soldiers' National Cemetery at Gettysburg on November 19, 1863. This speech is is also a dedication of this place to the soldiers who had sacrificed their lives for the safety of the nation.

The phrase "unfinished work" in the speech alludes to the unfinished work of preserving the unity of the Union, the safeguarding of it's people's rights. Lincoln included this words to implore to the people to keep on fighting for injustice and for upholding the unity of the nation. He is also indirectly asking the people to continue the work done by these brave lives lost, encouraging them at the same time.

the answer is:

b) to show the progression of inventions that took place in the bicycling industry.

hope it !

maybe i could if you provided more information, such as a image of the text? (;