What do the pillars represent?

The pillar is the bridge between HEAVEN and EARTH, the vertical axis which both unites and divides these two realms. It is closely connected to the symbolism of the TREE; it also represents stability, and a broken pillar represents death and mortality.

Explanation:

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

answer: to put them in the gas chambers

explanation:

and rpe them