চীন ১৮৫৬ সালে বৃটেনের পতাকাবাহী জাহাজ আটক করলে দ্বিতীয় আফিম যুদ্ধের সূচনা হয়। যথারীতি দ্বিতীয় আফিম যুদ্ধেও চীন শোচনীয়ভাবে পরাজিত হয়। দ্বিতীয় আফিম যুদ্ধ (১৮৫৬-১৮৬০) সাল পর্যন্ত পরিব্যাপ্তি ছিল।
আমাদের অল-ইন-ওয়ান মোবাইল অ্যাপের মাধ্যমে সীমাহীন শেখার সুযোগ উপভোগ করুন।
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1 hour ago
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1 hour ago
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select `_lft`, `_rgt` from `subjects` where `id` = 16874 limit 1
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select `id`, `name`, `parent_id`, `_lft`, `_rgt`, `show_content`, `num_of_mcq`, `num_of_written`, `des_added_by`, `des_updated_by`, `author_name`, `link_subject_id`, `sub_category_id`, `main_category_id`, `slug`, `meta_og_title`, `meta_keyword`, `meta_description`, `vote`, `view_count`, `icon`, `page_type`, `chapter_name` from `subjects` where (`subjects`.`_lft` between 19366 and 19367) and `subjects`.`deleted_at` is null
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select `id`, `description`, `short_description`, `subject_id` from `subject_descriptions` where `subject_descriptions`.`subject_id` in (16874) and `subject_descriptions`.`deleted_at` is null
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select `id`, `user_id`, `completeable_type`, `completeable_id`, `complete_progress`, `is_complete` from `completes` where `completes`.`completeable_id` in (16874) and `completes`.`completeable_type` = 'App\\Models\\Subject'
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select `id`, `name`, `avatar` from `users` where `users`.`id` in (33722) and `users`.`deleted_at` is null
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select * from `subjects` where `subjects`.`id` = 16874 and `subjects`.`deleted_at` is null limit 1
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select `id`, `name`, `slug`, `parent_id`, `_lft`, `_rgt` from `subjects` where (19367 between `subjects`.`_lft` and `subjects`.`_rgt` and `subjects`.`id` <> 16874) and `subjects`.`deleted_at` is null order by `_lft` asc
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select * from `subjects` where `subjects`.`id` = 16874 and `subjects`.`deleted_at` is null limit 1
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select `id`, `name`, `parent_id`, `_lft`, `_rgt`, `slug`, `meta_og_title`, `meta_keyword`, `meta_description` from `subjects` where `subjects`.`id` = 16872 and `subjects`.`deleted_at` is null limit 1
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select `id`, `description`, `subject_id` from `subject_descriptions` where `subject_descriptions`.`subject_id` in (16872) and `subject_descriptions`.`deleted_at` is null
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select * from `mediables` where `mediable_type` = 'App\\Models\\Subject' and `mediable_id` in (16874)
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select `videos`.`video_src_url`, `mediables`.`mediable_id` as `chapter_id` from `videos` inner join `mediables` on `mediables`.`mediable_id` = `videos`.`id` where `videos`.`id` = 0 and `videos`.`video_src` = 'youtube' and `videos`.`deleted_at` is null
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select `id`, `name`, `main_category_id`, `slug` from `subjects` where `id` <> 16874 and `parent_id` = 16872 and `main_category_id` = 3 and `subjects`.`deleted_at` is null limit 5
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