The
Mesta
was
a
powerful
association
of
____________________
ranchers
in
the
medieval
Crown
of
____________________
.
The
sheep
were
transhumant
,
migrating
from
the
____________________
of
Extremadura
and
Andalusia
to
León
and
Castile
and
back
according
to
the
season
.
The
no
-
man's
-
land
between
the
Christian
-
controlled
north
and
Moorish
-
controlled
south
was
too
insecure
for
____________________
farming
and
was
only
exploited
by
shepherds
.
When
the
Christians
conquered
the
south
,
farmers
began
to
settle
in
the
____________________
lands
,
and
disputes
with
pastoralists
were
common
.
The
Mesta
,
set
up
in
the
late
____________________
century
,
[
1
]
can
be
regarded
as
the
first
,
and
most
powerful
,
agricultural
____________________
in
medieval
Europe
.
The
export
of
merino
____________________
enriched
the
members
of
the
Mesta
(
the
____________________
and
religious
orders
)
.
Two
of
the
most
important
wool
____________________
were
held
in
Medina
del
Campo
and
Burgos
.
The
kings
of
Castile
conceded
many
____________________
to
the
Mesta
.
