it would be complex sentance
The most common cause of suicide is untreated depression<span>, as 90% of individuals who commit suicide are </span>depressed. and sometimes mental illness like <span>trauma, drug addiction, existential crises, </span>chronic pain<span>, and terminal illnesses</span>
<em>They provide us with both a snapshot and a background to the social and political histories of the analytical method, colouring and outlining it with reality. While this is of some academic interest, biography also creates a far more engaging and lively platform for historical interest.</em>
The best word would be were because it is in the past tense :)
The right answer for the question that is being asked and shown above is that: "<span>(1) Claudius: Is there not rain enough in the sweet heavens To wash it white as snow? </span>(2) Claudius: But, O! what form of prayer Can serve my turn? 'Forgive me my foul murder?' "