approximate

exact

suitable

common

discord

peace

conflict

quarrel

an individual's nature

mind bosy, and sprit

equipping citizen for the modern world

physical development

eras of peace

the modern era

eras of physical strife

eras of exploration, migration and amilitary explotation

religion

science and technology

spiritual life

body and mind

estimate

stress

record

explain

noun

adverb

adjective

verb

retouches

inventiveness again

revolves

explains anew

temporary

revolutionary

medieval

present

Civilizations and society

Citizenship and eduction

Th modern world and society

Education and progress