Why is salvation by works the predominantly held viewpoint?

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عربى Български 简体中文 繁體中文 Deutsch Español پارسی Ελληνικά हिन्दी Hrvatski Indonesia Italiano 日本語 Kiswahili 한국어 Magyar Polski Português Română Русский සිංහල Slovenčina Srpski Tagalog ภาษาไทย українська اُردُو Việt