The exhibit models, their accompanying text, and the overall layout of the Rose Center organized the principal
contents of the solar system by objects of like properties,
rather than as enumerations of planets and their moons.
This decision landed Pluto among the growing number of
icy objects found beyond Neptune, and left it unmentioned
and out of view among our models for the rocky, terrestrial
objects (Mercury, Venus, Earth, and Mars) and the gas
giants (Jupiter, Saturn, Uranus, and Neptune). By this
organization, we practically abandoned the concept of
planet altogether
- Neil deGrasse Tyson, The Pluto Files
What is the main idea of this paragraph?

Iam for the "immediate, unconditional, and universal" enfranchisement of the black man, in ev [loud applause.] without this, his liberty is a mockery; without this, you might as well almost slavery for his condition; for in fact, if he is not the slave of the individual master, he is the slay liberty as a privilege, not as a right. he is at the mercy of the mob, and has no means of protec how does the repetition of the phrase "without this" support the paragraph's argument? it reinforces the idea that without equality in the us, the idea of a free society is a joke. it suggests that a free society is possible, with or without equal rights for all people. it indicates that douglass would be content without material possessions or status. it proposes that slavery will not be abolished in the us without the support of all citizens.

In the excerpt from the emancipation proclamation, which phrase or sentence supports the claim that president lincoln did not want the slaves to take up arms against their former masters?

Of these events in top of the food chain which happens first