claim: The Selma to Montgomery marches were part of a broader voting rights movement underway in writing.
evidence: Not to be confused with the Chevrolet small-block engine .. Chevrolet small-block engine. Chevrolet small-block engine. small-block. small-block. The LS based GM small-block engine is the primary V-8 used in General Motors ' line of rear-wheel-drive cars and trucks .. General Motors. General Motors Corporation. small-block. small-block. V-8. V8 engine. Introduced in January 1995 , it is a `` clean sheet '' design with only rod bearings and bore spacing in common with the longstanding Chevrolet small block V8 that preceded it as the basis for GM small-block V8s .. V8 engine. small-block. small-block. Chevrolet small block V8. Chevrolet Small-Block engine. The LS ' basic layout owes a good deal to Ed Cole 's original small-block design of 1954-55 , though it also uses cues from Buick , Oldsmobile , and Pontiac V8s .. small-block. small-block. Ed Cole. Ed Cole. Buick. Buick. Oldsmobile. Oldsmobile. Pontiac. Pontiac. The basic LS variations use cast iron blocks , while performance editions are all aluminium with cast iron cylinder liners .. cast iron. cast iron. aluminium. aluminium. The LS small-block has been manufactured in three Generations -- III , IV , and V -- with preceding Generations I and II of modular GM small-block engines having been based on the Chevrolet small-block V8 originally designed in 1955 .. V8 engine. small-block. small-block. GM recycled the `` LT '' designation previously used on Chevrolet small-block V8-derived `` GM '' engines beginning with the LS Generation V `` LT1 '' in 2014 .. V8 engine. small-block. small-block. LT1. LS based GM small-block engine#LT1. Several versions of the LS were used in the Chevrolet Corvette , beginning with the LS1 in 1997 through the LS9 and others in 2013 .. Chevrolet Corvette. Chevrolet Corvette. LS1. LS based GM small-block engine#LS1. LS9. LS based GM small-block engine#LS9. Variants of the LT version of the GM small-block have been used since .. small-block. small-block