Six grammar rules that help you ace your writing

thus
our food supplies ran 
out.
•
therein 
- in or into a particular place, thing, etc.
Understanding the latter is necessary, however, to grasp the 
negotiation of the past and to fully understand the role of 
archaeology 
therein.
•
hence 
- that is the reason or explanation for (C1)
The firm is owned by Mark Atkins
, hence 
the name - MA 
Advertising
•
hereby
- with these words or with this action (C1)
Having achieved similar results, we 
hereby
present a detailed 
description of the analysis obtained from the parametric 
tests.