David and Agnes, being of same age; become friends very quickly. Throughout his boyhood, David, in many ways, becomes dependent on Agnes. Agnes becomes his friend and confidante, and David regards her as a sister. Though Agnes loves him, she never tells him, knowing he doesn't have the same feelings for her.
पाषाण युग इतिहास का वह काल है जब मानव का जीवन पत्थरों पर अत्यधिक आश्रित था। उदाहरनार्थ पत्थरों से शिकार करना, पत्थरों की गुफाओं में शरण लेना, पत्थरों से आग पैदा करना इत्यादि। इसके तीन चरण माने जाते हैं, पुरापाषाण काल, मध्यपाषाण काल एवं नवपाषाण काल जो मानव इतिहास के आरम्भ (25 लाख साल पूर्व) से लेकर काँस्य युग तक फ़ैला हुआ है।
Socialist economics refers to the economic theories, practices, and norms of hypothetical and existing socialist economic systems.A socialist economic system is characterised by social ownership and operation of the means of production that may take the form of autonomous cooperatives or direct public ownership wherein production is carried out directly for use. Socialist systems that utilize markets for allocating inputs and capital goods among economic units are designated market socialism. When planning is utilized, the economic system is designated as a socialist planned economy. Non-market forms of socialism usually include a system of accounting based on calculation-in-kind to value resources and goods.The term "socialist economics" may also be applied to the analysis of former and existing economic systems that were implemented in socialist states, such as in the works of Hungarian economist Janos Kornai.