What were the benefits of the watch tower along the wall

What happened right after the battle of concord ?

June 19 is often a holiday in texas. it is emancipation day. what important event happened on emancipation day? a) it marks the end of slavery in texas. b) it marks end of the texas revolution. c) it marks the day texas became a state. d) it marks the last battle of the texas revolution.

Ireally have to get this done today and i'd appreciate any i could get, !