praesens, perhaps 'clear,' i.e. a visible evidence of the hand of the gods; or it may be simply 'opportune.'
ut . . . videatur is consecutive, ut . . . statueretur, substantival, explanatory of illud, 'the fact that the statue was being erected at that particular moment.'
eorum indices, 'the witnesses against them.' The Temple of Concord was on the Capitol; Cicero's house on the Palatine; so that the Forum would have to be crossed in passing from one to the other.
ducerentur follows the mood of its main verb 'statueretur.' Otherwise as 'cum' = 'quo tempore' we should probably have had the indic. on the analogy of [1. 7] (where see [note]) and other instances.
templis atque delubris. See [on 3. 2].
mentem voluntatemque, 'disposition and purpose.'
Some editions read 'iam vero illa Allobrogum sollicitatio, iam ab Lentulo,' etc. For iam vero see [on 2. 8].
ut . . . neglegerent, substantival ('the fact that') in apposition to 'id' below.