Cambrian, Ordovician, Silurian, Devonian, Carboniferous, <span>Permian.
Hope it helped :)
</span>
<span>B. reduced tensions with the Soviet Union
</span><span>The SALT talks of the 1970s helped in limiting the nuclear weapons of USA and Soviet Union in their arsenals.</span>
Abe most likely said that, because if he said slavery was wrong at the time people would disagree and go against him which is very sad but true.
Witnesses?
Your question doesn't really have all the information necessary to have an accurate answer.
Answer:
He encouraged white americans to change their view about minorities