Why would a Spartan mother tell her son “Come home carrying your shield or being carried on it?”

The spartan child better be victorious upon its enemies and if not better be carried off either dead or crippled

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

producing or giving rise torelating to or engaged in the production of goods, crops, or other commodities.

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

Old telephone. is prehistoric object