Which best describes why making political allies is a key strategy for lobbyists? It reduces competition between opposing lobbyists.
It enables multiple issues to be addressed at once.
It places more pressure on lawmakers to vote a certain way.
It increases the number of supporting votes for pending legislation.

I think its

Explanation:

It places more pressure on lawmakers to vote a certain way.

answer: the answer is a. double jeopardy

explanation:

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: