How did Renaissance architects learn
Greco-Roman building techniques?

The Renaissance was a very important era for architecture because during the Renaissance, architecture became so much more than just building. The Renaissance was created because the middle ages was such a dark, depressing time. ... The changes in architecture were due to humanism, new trends/styles of buildings, and art.

Explanation:

i think this is something related to your question

They studied Greek and Roman ruins to figure out how classical buildings were constructed.

Explanation:

the answer is: the sesquicentennial of the american civil war is an occasion to consider the legacy of that great conflict. this legacy is our inheritance, and despite many indelible features, we continue to negotiate the resolution of that conflict. the civil war was fought over slavery, but not always on behalf of slaves