instruction:
In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
question:
Compass-and-straightedge or ruler-and-compass construction is drawing of lengths , angles or shapes using only a ruler and compass .
answer:
Straightedge and compass construction , also known as ruler-and-compass construction or classical construction , is the construction of lengths , angles , and other geometric figures using only an idealized ruler and compass .


question:
These " transfer " laws may have a " sunset clause " .
answer:
This " transfer " legislation may have a " sunset clause " , a legislative provision that nullifies the transfer of power after a specified period , at which point the original division of power is restored .


question:
It required that they free their slaves and give citizenship to freed slaves who wanted to stay in the Chickasaw Nation .
answer:

It included the provision that they emancipate the slaves and provide those who wanted to stay in the Chickasaw Nation with full citizenship ; they and their descendants became known as the Chickasaw Freedmen .