RENAISSANCE
ARCHITECTURE 19
fifteenth
totheeighteenth century, correspondedto
noracialmovements
; theywereunaccompaniedby
socialchangesequallysudden, orequallycomplete
;
they were undictated, for
the
most
part, by any
exterior necessity
; they were unheralded by any
newor subversivediscoverywhether in thescience
ofconstructionor inthe materials
atits
command.
Allthese,andothersuchconditions,did indeedcon-
tributetothe
architecturalresult. Sometimesthey
settheirlimitstowhatwasaccomplished,sometimes
they provided its opportunity. But none of them
separately, nor all in conjunction,
will sufficiently
explain the essential character of the whole move-
ment,orofeachsuccessivestep,noraffordanyclue
tothesequenceofitsstages. They
areliketheacci-
dentsofalandscapewhichmightshapethecourse
of
a
wanderingstream. But the
architectureofItaly
isariverintheflood. Race,politics^the
changesof
society, geological facts, mechanical laws, do
not
exhaust the factors of the
case. Taste—tiie dis-
interestedenthusiasmforarchitectural
form—^issome-
thingwhichthesecannotgiveanddonot
necessarily
control. Nevertheless it is by
reference to
these
external factorsthat the
architectural forms ofthe
Renaissanceare
persistentlyexplained.
Letusseehowfarsuch
explanationscancarry
us,,
It isprobably true
that a
'
Renaissance'
ofarchi-
tecture
in Italy
was, on racial
grounds, inevitable.