Whereas

Whereas - (Webster's 1828 Dictionary)

WHEREAS, adv. s as z. [where and as.]

1. When in fact or truth, implying opposition to something that precedes.

Are not those found to be the greatest zealots, who are most notoriously ignorant? Whereas true zeal should always begin with true knowledge.

2. The thing being so that; considering that things are so; implying an admission of facts, sometimes followed by a different statement, and sometimes by inferences or something consequent, as in the law style, where a preamble introduces a law.

Whereas wars are generally causes of poverty--

3. Whereat; at which place.

4. But on the contrary. [See No. 1.]